• Planet-Planet Scattering Alone Cannot Explain the Free-Floating Planet Population
• The Stability of the Suggested Planet in the nu Octantis System: A Numerical and Statistical Study, astro-ph
• Direct Imaging of Extra-solar Planets - Homogeneous Comparison of Detected Planets and Candidates, astro-ph
• Transit Monitoring in the South (TraMoS) project: Discarding Transit Timing Variations in WASP-5b
• , astro-ph
• Interaction of Close-in Planets with the Magnetosphere of their Host Stars. II. Super-Earths as Unipolar Inductors and their Orbital Evolution
• On the Carbon-to-Oxygen Ratio Measurement in Nearby Sunlike Stars: Implications for Planet Formation and the Determination of Stellar Abundances
• Interaction of free-floating planets with a star-planet pair, astro-ph
• Transit Timing Observations from Kepler: VII. Potentially interesting candidate systems from Fourier-based statistical tests
• Martian Life Might Thrive in Lava Tubes, Study Suggests, Space.com
• Probabilities of exoplanet signals from posterior samplings, astro-ph
• The third body in the eclipsing binary AV CMi: Hot Jupiter or brown dwarf?, astro-ph
• Development of binary shaped pupil mask coronagraph for the observation of exoplanets, astro-ph
• The partial asteroidal occultation of Betelgeuse on Jan 2, 2012, astro-ph

Posted by Keith Cowing at 7:34 AM | Permalink | Comments (0)

• Two boundary layers in Titan's lower troposphere inferred from a climate model, Nature Geoscience
• Polar methane accumulation and rainstorms on Titan from simulations of the methane cycle, Nature
• Figuring out why most of Titan's methane lakes have northern exposures, Ars Technica
• Faint sunlight enough to drive weather, clouds on Saturn's moon Titan, Ars Technica
• Engineering Team Completes Ambitious Antarctic Expedition in the 'Deep-Field', Brtish Antarctic Survey
• Biologists Replicate Key Evolutionary Step in Life on Earth, NSF
• Did an Earlier Genetic Molecule Predate DNA and RNA?, Arizona State University

Posted by Keith Cowing at 1:09 PM | Permalink | Comments (0)

• The TRAPPIST survey of southern transiting planets. I. Thirty eclipses of the ultra-short period planet WASP-43 b, astro-ph
• Possible Disintegrating Short-Period Super-Mercury Orbiting KIC 12557548, astro-ph
• Chemical Processes in Protoplanetary Disks II. On the importance of photochemistry and X-ray ionization, astro-ph
• The Stability of the Suggested Planet in the nu Octantis System: A Numerical and Statistical Study, astro-ph
• Habitability of Earth-type Planets and Moons in the Kepler-16 System, astro-ph
• Transit Timing Observations from Kepler: VI. Transit Timing Variation Candidates in the First Seventeen Months from Polynomial Models, astro-ph
• Transit Timing Observations from Kepler: VII. Potentially interesting candidate systems from Fourier-based statistical tests, astro-ph

Posted by Keith Cowing at 3:31 PM | Permalink | Comments (0)

• Shock formation around planets orbiting M-dwarf stars, astro-ph
• A Stochastic Process Approach of the Drake Equation Parameters, astro-ph
• Stellar jitter from variable gravitational redshift: implications for RV confirmation of habitable exoplanets, astro-ph
• Stars Don't Eat Their Young Migrating Planets - Empirical Constraints On Planet Migration Halting Mechanisms, astro-ph
• Kepler-22b: A 2.4 Earth-radius Planet in the Habitable Zone of a Sun-like Star, astro-ph
• A General Circulation Model for Gaseous Exoplanets with Double-Gray Radiative Transfer, astro-ph

Posted by Keith Cowing at 12:50 AM | Permalink | Comments (0)

• Confirming Fundamental Parameters of the Exoplanet Host Star epsilon Eridani Using the Navy Optical Interferometer, astro-ph
• The Habitable Exoplanets Catalog, a New Online Database of Habitable Worlds, University of Puerto Rico, Arecibo Campus
• Infographic: Kepler-22b Comfortably Circling within the Habitable Zone, NASA
• NASA Astrobiology Institute Cycle 6 CAN, Amendment 1: Proposal due date delayed, NASA

Posted by Keith Cowing at 11:06 AM | Permalink | Comments (0)

• Transiting exoplanets from the CoRoT space mission - XIX. CoRoT-23b: a dense hot Jupiter on an eccentric orbit, astro-ph
• A Uniform Search for Secondary Eclipses of Hot Jupiters in Kepler Q2 Lightcurves, astro-ph
• Transiting exoplanets from the CoRoT space missionXIX. CoRoT-19b: A low density planet orbiting an old inactive F9V-star, astro-ph
• SETI Search Resumes at Allen Telescope Array Targeting New Planets
• Caltech-Led Team of Astronomers Finds 18 New Planets, Caltech
• First Habitable-Zone Super-Earth Around Sun-like Star, Carnegie Institution
• McDonald Observatory Astronomers Find Goldilocks Planet and Others, McDonald Observatory
• NASA's Kepler Confirms Its First Planet in Habitable Zone of Sun-Like Star, NASA

Posted by Keith Cowing at 11:00 AM | Permalink | Comments (0)

• How do Most Planets Form? -- Constraints on Disk Instability from Direct Imaging, astro-ph
• The Flat Transmission Spectrum of the Super-Earth GJ1214b from Wide Field Camera 3 on the Hubble Space Telescope, astro-ph
• Warm Spitzer Photometry of XO-4b, HAT-P-6b and HAT-P-8b, astro-ph
• Chondrule formation via extended winds in the early solar system, astro-ph
• The proteomic complexity and rise of the primordial ancestor of diversified life, Biomed Central
• Los Alamos ChemCam Instrument to Shine Light on Mars Habitability, LANL

Posted by Keith Cowing at 10:33 PM | Permalink | Comments (0)

• Refined physical properties of the HAT-P-13 planetary system
• Day and night side core cooling of a strongly irradiated giant planet
• Global Structure of Magnetorotationally Turbulent Protoplanetary Discs
• Transit Model of Planets with Moon and Ring System
• Pumping the eccentricity of exoplanets by tidal effect

Posted by Keith Cowing at 8:11 AM | Permalink | Comments (0)

• A High Stellar Obliquity in the WASP-7 Exoplanetary System, astro-ph
• The HARPS search for southern extra-solar planets XXXI. The M-dwarf sample, astro-ph
• Detection of transit timing variations in excess of one hour in the Kepler multi-planet candidate system KOI 806 with the GTC, astro-ph
• Dead Zones and the Diversity of Exoplanetary Systems, astro-ph

Posted by Keith Cowing at 11:52 AM | Permalink | Comments (0)

• Instability-Driven Dynamical Evolution Model of a Primordially 5 Planet Outer Solar System, astro-ph
• A Planetary Companion to the Intermediate-Mass Giant HD 100655, astro-ph
• Planets: Power Laws and Classification, astro-ph
• The effects of disk and dust structure on observed polarimetric images of protoplanetary disks, astro-ph

Posted by Keith Cowing at 9:53 PM | Permalink | Comments (0)

• Enhanced H2O formation through dust grain chemistry in X-ray exposed environments, astro-ph
• Fullerenes in circumstellar and interstellar environments, astro-ph
• Be abundances in cool main-sequence stars with exoplanets, astro-ph
• Information Content of Exoplanetary Transit Spectra: An Initial Look, astro-ph
• Astrometry and radial velocities of the planet host M dwarf GJ 317: new trigonometric distance, metallicity and upper limit to the mass of GJ 317b, astro-ph
• Revisiting the "radial-drift barrier" of planet formation and its relevance in observed protoplanetary discs, astro-ph
• Red Dwarf Stars: Ages, Rotation, Magnetic Dynamo Activity and the Habitability of Hosted Planets, astro-ph

Posted by Keith Cowing at 9:55 PM | Permalink | Comments (0)

• Carbonaceous molecules in the oxygen-rich circumstellar environment of binary post-AGB stars: C_{60} fullerenes and polycyclic aromatic hydrocarbons, astro-ph
• Lack of Inflated Radii for Kepler Giant Planet Candidates Receiving Modest Stellar Irradiation, astro-ph
• Detection Technique for Artificially-Illuminated Objects in the Outer Solar System and Beyond, astro-ph
• Constructing a Galactic coordinate system based on near-infrared and radio catalogs, astro-ph
• Kepler 16: A System of Potential Interest to Astrobiologists, astro-ph
• The coronal X-ray - age relation and its implications for the evaporation and migration of exoplanets, astro-ph
• How Will Astronomy Archives Survive The Data Tsunami?, astro-ph

Posted by Keith Cowing at 11:38 AM | Permalink | Comments (0)

• Early Archean serpentine mud volcanoes at Isua, Greenland, as a niche for early life, PNAS
• Corrigendum to "The upper atmosphere of the exoplanet HD209458b revealed by the sodium D lines: Temperature-pressure profile, ionization layer and thermosphere" [2011, A&A, 527, A110], astro-ph
• Optimizing exoplanet transit searches around low-mass stars with inclination constraints, astro-ph
• Chemical Homogeneity in the Orion Association: Oxygen Abundances of B Stars, astro-ph
• The effects of snowlines on C/O in planetary atmospheres, astro-ph
• SOPHIE velocimetry of Kepler transit candidates. V. The three hot Jupiters KOI-135b, KOI-204b and KOI-203b (alias Kepler-17b), astro-ph
• WASP-36b: A new transiting planet around a metal-poor G-dwarf, and an analysis of correlated noise in transit light curves, astro-ph

Posted by Keith Cowing at 3:18 PM | Permalink | Comments (0)

• Suppression of the water ice and snow albedo feedback on planets orbiting red dwarf stars and the subsequent widening of the habitable zone, astro-ph
• Detection of the Water Reservoir in a Forming Planetary System, astro-ph
• A Search for Interstellar Carbon Chain Alcohol HC4OH in Star-Forming Region L1527 and Dark Cloud TMC-1, astro-ph
• Multiple-Planet Scattering and the Origin of Hot Jupiters, astro-ph
• The Impact of Circumplantary Jets on Transit Spectra and Timing Offsets for Hot-Jupiters, astro-ph
• Water in Star and Planet Forming Regions, astro-ph
• The Ubiquity of Micrometer-Sized Dust Grains in the Dense Interstellar Medium, astro-ph
• Rapid Mid-Infrared Variability in Protostellar Disks, astro-ph
• Dust discs around intermediate mass and Sun-like stars in the 16 Myr old NGC 1960 open cluster, astro-ph
• Confirmation of One of the Coldest Known Brown Dwarfs, astro-ph

Posted by Keith Cowing at 9:55 AM | Permalink | Comments (0)

• Revisiting the proposed planetary system orbiting the eclipsing polar HU Aquarii, astro-ph
• A high dynamic-range instrument for SPICA for coronagraphic observation of exoplanets and monitoring of transiting exoplanets, astro-ph
• Processing of polycyclic aromatic hydrocarbons in molecular-loop regions near the Galactic center revealed by AKARI, astro-ph
• Planetary transit candidates in the CoRoT LRa01 field, astro-ph
• Compositions of Hot Super-Earth Atmospheres: exploring Kepler Candidates, astro-ph

Posted by Keith Cowing at 9:21 PM | Permalink | Comments (0)

• Kepler 18-b, c, and d: A System Of Three Planets Confirmed by Transit Timing Variations, Lightcurve Validation, Spitzer Photometry and Radial Velocity Measurements
• Microfossils of sulphur-metabolizing cells in 3.4-billion-year-old rocks of Western Australia, Nature Geoscience
• Ocean-like water in the Jupiter-family comet 103P/Hartley 2, Nature
• Did Earth's Oceans Come From Comets?, ESA
• Piecing Together a Global Color Map of Titan, Saturn's Largest Moon, Europlanet
• Saturn's Geyser Moon Enceladus Shows off for NASA's Cassini, NASA

Posted by Keith Cowing at 6:47 PM | Permalink | Comments (0)

• A Disk Around the Planetary-Mass Companion GSC 06214-00210 b: Clues About the Formation of Gas Giants on Wide Orbits, astro-ph
• The Time Dependence of hot Jupiters' Orbital Inclinations, astro-ph
• Chemistry in Disks. V: CN and HCN in proto-planetary disks, astro-ph

Posted by Keith Cowing at 9:16 PM | Permalink | Comments (0)

• Young Clays on Mars Could Have Been Habitable Regions For Life, PSI
• Building the Tools for Astrobiology's Future, NAI
• Life in liquid carbon dioxide, Scientific American
• The Role of Multiplicity in Disk Evolution and Planet Formation, astro-ph
• Spitzer Observations of White Dwarfs: the Missing Planetary Debris Around DZ Stars, astro-ph
• Know the Star, Know the Planet. I. Adaptive Optics of Exoplanet Host Stars, astro-ph
• Merging Criteria for Giant Impacts of Protoplanets, astro-ph

Posted by Keith Cowing at 12:02 PM | Permalink | Comments (0)

• Carbon-rich Giant Planets: Atmospheric Chemistry, Thermal Inversions, Spectra, and Formation conditions, astro-ph
• Spin-Orbit Alignment for the Circumbinary Planet Host Kepler-16A, astro-ph
• XX. CoRoT-20b: A very high density, high eccentricity transiting giant planet, astro-ph
• Kepler-16: A Transiting Circumbinary Planet, astro-ph

Posted by Keith Cowing at 12:00 AM | Permalink | Comments (0)

• UCSB Scientist Contributes to First Discovery of a Planet With Two Suns, University of California Santa Barbara
• NASA's Kepler Discovery Confirms First Planet Orbiting Two Stars, NASA
• Tatooine-Like Planet Discovered, Carnegie Institution
• From Star Wars to Science Fact: Tatooine-like Planet Discovered, Harvard-Smithsonian Center for Astrophysics
• FIRE Spectroscopy of the ultra-cool brown dwarf, UGPS J072227.51-054031.2: Kinematics, Rotation and Atmospheric Parameters, astro-ph
• Tidal evolution of planets around brown dwarfs, astro-ph
• M2K: II. A Triple-Planet System Orbiting HIP 57274, astro-ph
• Young Solar System's Fifth Giant Planet?, astro-ph
• A High Eccentricity Component in the Double Planet System Around HD 163607 and a Planet Around HD 164509, astro-ph
• Upsilon Andromedae b in polarized light: New constraints on the planet size, density and albedo, astro-ph

Posted by Keith Cowing at 8:42 PM | Permalink | Comments (0)

• Density Waves Excited by Low-Mass Planets in Protoplanetary Disks II: High-Resolution Simulations of the Nonlinear Regime, astro-ph
• Photoevaporation as a Truncation Mechanism for Circumplanetary Disks, astro-ph
• Climate instability on tidally locked exoplanets, astro-ph
• The orbital phases and secondary transit of Kepler-10b - A physical interpretation based on the Lava-ocean planet model, astro-ph
• Formation of hot Neptunes by evaporation of hot Jupiters, astro-ph

Posted by Keith Cowing at 9:38 PM | Permalink | Comments (0)

• NASA To Announce Kepler Discovery At Media Briefing
• Constraining High Speed Winds in Exoplanet Atmospheres Through Observations of Anomalous Doppler Shifts During Transit, astro-ph
• Molecular gas in young debris disks, astro-ph
• The HARPS search for southern extra-solar planets XXXIV. Occurrence, mass distribution and orbital properties of super-Earths and Neptune-mass planets, astro-ph
• The HARPS search for southern extra-solar planets XXXII. Only 4 planets in the Gl~581 system, astro-ph
• Detection of a Transiting Low-Density Super-Earth, astro-ph
• A Survey of Alkali Line Absorption in Exoplanetary Atmospheres, astro-ph

Posted by Keith Cowing at 4:54 PM | Permalink | Comments (0)

• Ages of Exoplanet Host-Stars from Asteroseismology : HD 17156, a Case Study, astro-ph
• Martian Soil Oxidizing Properties Not Too Extreme for Life, AGU
• Searching for Extrasolar Biosignatures, NAI
• Asteroid Served Up "Custom Orders" of Life's Ingredients, NAI
• Save the Date: AbSciCon 2012, NAI
• Alien Life More Likely on 'Dune' Planets, NAI

Posted by Keith Cowing at 10:50 PM | Permalink | Comments (0)

• Hydrodynamic outcomes of planet scattering in transitional discs, astro-ph
• On cyclic activity of the Sun and solar-type stars, astro-ph
• CoRoT LRa02_E2_0121: Neptune-size planet candidate turns into a hierarchical triple system with a giant primary, astro-ph
• On the Nature of Small Planets around the Coolest Kepler Stars, astro-ph

Posted by Keith Cowing at 4:30 PM | Permalink | Comments (0)

• GMRT search for 150 MHz radio emission from the transiting extrasolar planets HD189733b and HD209458b, astro-ph
• TrES-5: A Massive Jupiter-sized Planet Transiting A Cool G-dwarf, astro-ph
• Spectroscopic characterization of the atmospheres of potentially habitable planets: GL 581 d as a model case study, astro-ph
• Magnetic Scaling Laws for the Atmospheres of Hot Giant Exoplanets , astro-ph
• A study of methyl formate in astrochemical environments, astro-ph

Posted by Keith Cowing at 3:58 PM | Permalink | Comments (0)

• NEAT, An Astrometric Telescope To Probe Planetary Systems Down To The Earth Mass Around Nearby Solar-Type Stars, astro-ph
• Fossil Discovery Represents New Milestone in Early Mammal Evolution, NSF
• World's Oldest Fossils Show Sulfur-Based Microbes Lived 3.4 Billion Years Ago, Presenting a New Target for Astrobiology, Popular Science
• Oldest 'microfossils' raise hopes for life on Mars , Washington Post
• High precision transit observations of the exoplanet WASP-13b with the RISE instrument , astro-ph

Posted by Keith Cowing at 9:24 PM | Permalink | Comments (0)

• Impacts 'more likely' to have spread life from Earth , BBC
• Planetary Construction Zones in Occultation: Eclipses by Circumsecondary and Circumplanetary Disks and a Candidate Eclipse of a Pre-Main Sequence Star in Sco-Cen , astro-ph
• The Dynamics and Stability of Circumbinary Orbits , astro-ph
• Retired A Stars and Their Companions: Eighteen New Jovian Planets , astro-ph
• Habitability of extrasolar planets and tidal spin evolution , astro-ph

Posted by Keith Cowing at 9:21 PM | Permalink | Comments (0)

• Status of the UC-Berkeley SETI Efforts, astro-ph
• The SPICA coronagraphic instrument (SCI) for the study of exoplanets, astro-ph
• Clouds in the atmospheres of extrasolar planets. III. Impact of low and high-level clouds on the reflection spectra of Earth-like planets, astro-ph
• Debris disc candidates in systems with transiting planets, astro-ph
• Homogeneous studies of transiting planets: an online catalogue, astro-ph
• New Research Shows Evidence of Early Oxygen on Our Planet, MIT

Posted by Keith Cowing at 10:37 AM | Permalink | Comments (0)

• Synthetic Spectra and Light Curves of Interacting Binaries and Exoplanets with Circumstellar Material: SHELLSPEC, astro-ph
• Homogeneous studies of transiting planets: an online catalogue, astro-ph
• Astrobiology center hosts evolution talk on Sept. 1 in Bozeman, PR log

Posted by Keith Cowing at 11:10 PM | Permalink | Comments (0)

• Detection of visible light from the darkest world, astro-ph
• TERMS Photometry of Known Transiting Exoplanets, astro-ph
• Effect of Different Stellar Galactic Environments on Planetary Discs I: The Solar Neighbourhood and the Birth Cloud of the Sun, astro-ph
• On the Eccentricity Distribution of Short-Period Single-Planet Systems, astro-ph
• Detectability of Exoplanet Periastron Passage in the Infra-Red, astro-ph
• Characterizing exoplanetary atmospheres through infrared polarimetry, astro-ph

Posted by Keith Cowing at 7:58 PM | Permalink | Comments (0)

• Herschel Measurements of Molecular Oxygen in Orion, astro-ph
• UBV(RI)_C photometry of transiting planet host stars, astro-ph
• Treating dynamical stability as an observable: a 5:2 MMR configuration for the extrasolar system HD 181433, astro-ph
• Biological implications of high-energy cosmic ray induced muon flux in the extragalactic shock model, astro-ph
• The hot-Jupiter Kepler-17b: discovery, obliquity from stroboscopic starspots, and atmospheric characterization, astro-ph
• Habitability of Super-Earth Planets around Main-Sequence Stars including Red Giant Branch Evolution: Models based on the Integrated System Approach, astro-ph

Posted by Keith Cowing at 8:00 PM | Permalink | Comments (0)

• The HARPS search for southern extra-solar planets. XXX. Planetary systems around stars with solar-like magnetic cycles and short-term activity variation, astro-ph
• The NStED Periodogram Service and Interface for Public CoRoT Data, astro-ph
• The 55 Cancri System: Fundamental Stellar Parameters, Habitable Zone Planet, and Super-Earth Diameter, astro-ph
• Interstellar ices as witnesses of star formation: selective deuteration of water and organic molecules unveiled, astro-ph
• Transiting exoplanets from the CoRoT space mission. XX. CoRoT-18b: a massive hot jupiter on a prograde, nearly aligned orbit, astro-ph
• Chemical history of molecules in circumstellar disks, astro-ph
• Using Star Spots to Measure the Spin-orbit Alignment of Transiting Planets, astro-ph

Posted by Keith Cowing at 12:13 AM | Permalink | Comments (0)

• Potential Biases in the Detection of Planetary Systems with Large Transit Timing Variations, astro-ph
• Chemical abundances in the protoplanetary disk LV2 (Orion) - II: High dispersion VLT observations and microjet properties, astro-ph
• On the effects of clouds and hazes in the atmospheres of hot Jupiters: semi-analytical temperature-pressure profiles, astro-ph
• A giant planet in the triple system HD132563, astro-ph

Posted by Keith Cowing at 11:37 PM | Permalink | Comments (0)

• Multi-Wavelength Modelling of the Beta Leo Debris Disc: 1, 2 or 3 planetesimal populations?, astro-ph
• The HARPS search for southern extrasolar planets. XXV. Four new planets in orbit around the moderatly active dwarfs HD 63765, HD 104067, HD 125595, and HIP 70849, astro-ph

Posted by Keith Cowing at 10:38 PM | Permalink | Comments (0)

• Kepler-14b: A massive hot Jupiter transiting an F star in a close visual binary, astro-ph
• Close encounters of a rotating star with planets in parabolic orbits of varying inclination and the formation of Hot Jupiters, astro-ph
• The ADS in the Information Age - Impact on Discovery, astro-ph
• Searching for Possible Siblings of the Sun from a Common Cluster based on Stellar Space Velocities, astro-ph

Posted by Keith Cowing at 9:04 AM | Permalink | Comments (0)

• The Structure of a Self-Gravitating Protoplanetary Disk and its Implications to Direct Imaging Observations, astro-ph
• The statistics of multi-planet systems, astro-ph
• Carbon and Oxygen in Nearby Stars: Keys to Protoplanetary Disk Chemistry, astro-ph

Posted by Keith Cowing at 10:24 PM | Permalink | Comments (0)

• Transitional Disks as Signposts of Young, Multiplanet Systems, astro-ph
• Parent Stars of Extrasolar Planets. XII. Additional evidence for trends with vsini, condensationtemperature, and chromospheric activity, astro-ph
• Experimental Studies on the Aggregation Properties of Ice and Dust in Planet-Forming Regions, astro-ph
• On stellar limb darkening and exoplanetary transits, astro-ph
• Searching for Gas Giant Planets on Solar System Scales: VLT NACO/APP Observations of the Debris Disk Host Stars HD172555 and HD115892, astro-ph
• Microwave Observations of Edge-on Protoplanetary Disks: Program Overview and First Results, astro-ph
• Transiting exoplanets from the CoRoT space mission XVII. The hot Jupiter CoRoT-17b: a very old planet, astro-ph
• Mantle Convection, Plate Tectonics, and Volcanism on Hot Exo-Earths, astro-ph
• Young Exoplanet Transit Initiative (YETI), astro-ph
• Rosetta-Alice Observations of Exospheric Hydrogen and Oxygen on Mars, astro-ph

Posted by Keith Cowing at 3:56 PM | Permalink | Comments (0)

• The Diversity of Planetary Systems Architectures: Contrasting Theory with Observations, astro-ph
• The shocking transit of WASP-12b: Modelling the observed early ingress in the near ultraviolet, astro-ph
• Post-Capture Evolution of Potentially Habitable Exomoons, astro-ph
• Photometric detection of non-transiting short-period low-mass companions through the beaming, ellipsoidal and reflection effects in Kepler and CoRoT lightcurves, astro-ph
• Evolution of Snow Line in Optically Thick Protoplanetary Disks: Effects of Water Ice Opacity and Dust Grain Size, astro-ph
• A lower mass for the exoplanet WASP-21b, astro-ph
• Planetary Core Formation with Collisional Fragmentation and Atmosphere to Form Gas Giant Planets, astro-ph

Posted by Keith Cowing at 10:03 PM | Permalink | Comments (0)

Application Deadline: 1 July 2011

The objective of this post-doctoral opportunity is to study the NASA Astrobiology Institutes current collaborative practices and provide insight and recommendations for their evolution and improvement, particularly with respect to remote communication, data sharing and analysis across distance, collaborative problem solving, interdisciplinary science, and institutional identity.

For the complete announcement visit: http://www2.orau.gov/NASA_Catalog/Opportunity/18644

Application instructions can be found at: http://nasa.orau.org/postdoc/application/index.htm

Posted by Keith Cowing at 1:13 PM | Permalink | Comments (0)

• A dynamical analysis of the proposed HU Aquarii planetary system
• On the possibility of radio emission of planets around pulsars
• 55 Cancri: Stellar Astrophysical Parameters, a Planet in the Habitable Zone, and Implications for the Radius of a Transiting Super-Earth

Posted by Keith Cowing at 9:16 PM | Permalink | Comments (0)

• Defining and cataloging exoplanets: The exoplanet.eu database, astro-ph
• Taxonomy of the extrasolar planet, astro-ph
• Probing the Physical Properties of Directly Imaged Gas Giant Exoplanets Through Polarization, astro-ph
• On the Interaction between a Protoplanetary Disk and a Planet in an Eccentric Orbit: Application of Dynamical Friction, astro-ph
• A correlation between host star activity and planet mass for close-in extrasolar planets?, astro-ph
• Three Body Resonance Overlap in Closely Spaced Multiple Planet Systems, astro-ph
• Mapping Clouds and Terrain of Earth-like Planets from Photometric Variability, astro-ph

Posted by Keith Cowing at 2:53 PM | Permalink | Comments (0)

• LUNA: An algorithm for generating dynamic planet-moon transits, astro-ph
• Unbound or Distant Planetary Mass Population Detected by Gravitational Microlensing, astro-ph
• Accurate p-mode measurements of the G0V metal-rich CoRoT target HD 52265, astro-ph
• Abundances of Refractory Elements for G-type Stars with Extrasolar Planets, astro-ph
• WASP-44b, WASP-45b and WASP-46b: three short-period, transiting extrasolar planets, astro-ph
• The 1:1 resonance in Extrasolar Systems: Migration from planetary to satellite orbits, astro-ph
• On the Mass of CoRoT-7b, astro-ph
• Free-Floating Planets May be More Common Than Stars, NASA

Posted by Keith Cowing at 6:27 PM | Permalink | Comments (0)

• Ground-based NIR emission spectroscopy of HD189733b, astro-ph
• Organic Molecules and Water in the Inner Disks of T Tauri Stars, astro-ph
• Mars in Spain, Universitat Autonoma Barcelona
• Formaldehyde: Poison could have set the stage for the origins of life, Carnegie Institution
• Protein adaptation shows that life on early earth lived in a hot, acidic environment,Georgia Institute of Technology

Posted by Keith Cowing at 2:13 PM | Permalink | Comments (0)

• Experimental Design for the Gemini Planet Imager, astro-ph
• The multiple planets transiting Kepler-9 I. Inferring stellar properties and planetary compositions, astro-ph
• Extrasolar Asteroid Mining as Forensic Evidence for Extraterrestrial Intelligence, astro-ph
• On the chromospheric activity of stars with planets, astro-ph
• The unusual protoplanetary disk around the T Tauri star ET Cha, astro-ph
• On the dynamics of resonant super-Earths in disks with turbulence driven by stochastic forcing, astro-ph
• Estimates of the Planet Yield from Ground-Based High-Contrast Imaging Observations as a Function of Stellar Mass, astro-ph

Posted by Keith Cowing at 3:29 PM | Permalink | Comments (0)

• Transit surveys for Earths in the habitable zones of white dwarfs, astro-ph
• What does it take to discover an earth-like exoplanet?, io9
• UCSB scientists get glimpse of how the 'code' of life may have emerged, UCSB
• Are You a Martian? We Could All Be, Scientists Say, MIT
• A very cool pair of brown dwarfs, ESO
• "Lost" Miller Experiment Gives Clue to Origin of Life, NASA

Posted by Keith Cowing at 7:56 PM | Permalink | Comments (0)

• NASA Astrobiology Program Minority Institution Research Support
• Planetary Science Decadal Survey Report Released
• New Astrobiology Centre at Stockholm University, Sweden
• Summer Astrobiology Workshops for Teachers
• Computational Astrobiology Summer Symposium 2011 (CASS 2011)
• NASA Astrobiology Program Research Scholars
• NASA Planetary Science Summer School Applications
• NASA Astrobiology Program Selection of NASA Postdoctoral Program Fellows
• The Future We Create: Women in Chemistry & Science
• Paleobiology During the Genomics Era; An Astrobiology All-access Event
• NAI Director's Seminar: "Establishing a Common Origin for Carbonaceous Solids in Comets, IDPs, and Primitive Chondrites"

Posted by Keith Cowing at 11:54 PM | Permalink | Comments (0)

• Quantization of Planetary Systems and its Dependency on Stellar Rotation, astro-ph
• Refining Parameters of the XO-5 Planetary System with High-Precision Transit Photometry, astro-ph
• STEREO observations of stars and the search for exoplanets, astro-ph
• Dust aerosols above the south polar cap of Mars as seen by OMEGA, astro-ph
• The Impact of the Convective Blueshift Effect on Spectroscopic Planetary Transits, astro-ph
• The Occurrence Rate of Earth Analog Planets Orbiting Sunlike Stars

Posted by Keith Cowing at 10:06 PM | Permalink | Comments (0)

• Observational Constraints on Companions inside of 10 AU in the HR 8799 Planetary System, astro-ph
• Habitability of the Goldilocks Planet Gliese 581g: Results from Geodynamic Models, astro-ph
• Chemical evolution of protoplanetary disks - the effects of viscous accretion, turbulent mixing and disk winds, astro-ph
• The Dynamics of Stellar Coronae Harboring Hot-jupiters II. A Space Weather Event on A Hot-jupiter, astro-ph
• Theory of planet formation and comparison with observation: Formation of the planetary mass-radius relationship, astro-ph
• Clues on the importance of comets in the origin and evolution of the atmospheres of Titan and Earth, astro-ph
• Hot Super Earths: Tidally Downsized hot jupiters? The hot jupiter around the metal poor star explained, astro-ph

Posted by Keith Cowing at 12:26 PM | Permalink | Comments (0)

• The Steppenwolf: A proposal for a habitable planet in interstellar space, astro-ph
• Direct Imaging Constraints on the Putative Exoplanet 14 Her c, astro-ph
• Starless planets may be habitable after all, New Scientist
• Scientists pleasantly surprised by number of Earth-size, distant planets, CNN
• Musical Chairs around the Periodic Table, NAI

Posted by Keith Cowing at 2:17 PM | Permalink | Comments (0)

• Five New Transit Epochs of the Exoplanet OGLE-TR-111b, astro-ph
• Colors of a Second Earth II: Effects of Clouds on Photometric Characterization of Earth-like Exoplanets, astro-ph
• HD 5388 b is a 69 M_Jup companion instead of a planet, astro-ph
• Bayesian re-analysis of the radial velocities of Gliese 581. Evidence in favour of only four planetary companions, astro-ph

Posted by Keith Cowing at 7:23 PM | Permalink | Comments (0)

• Transit Variability in Bow Shock-Hosting Planets, astro-ph
• The extreme physical properties of the CoRoT-7b super-Earth, astro-ph
• MOA-2009-BLG-387Lb: A massive planet orbiting an M dwarf, astro-ph
• KEPLER's First Rocky Planet: Kepler-10b, astro-ph
• The retrograde orbit of the HAT-P-6b exoplanet, astro-ph
• Orbital Evolution of Planets around Intermediate-Mass Giants, astro-ph
• HAT-P-27b: A hot Jupiter transiting a G star on a 3 day orbit, astro-ph
• The mass-period distribution of close-in exoplanets, astro-ph

Posted by Keith Cowing at 10:27 AM | Permalink | Comments (0)

• Experiment reaches biology milestone with hard X-ray laser, ASU
• Laboratory Giant virus, tiny protein crystals show X-ray laser's power and potential, SLAC
• Scientists Help NASA Find Earth-size Planet Candidates, UCSB
• UF astronomers, NASA team find six closely packed planets orbiting same star, University of Florida
• A Closely-Packed System of Low-Mass, Low-Density Planets Transiting Kepler-11 (full paper), astro-ph
• Accretion of a Terrestrial-Like Minor Planet by a White Dwarf, astro-ph
• Solar wind origin of terrestrial water, astro-ph
• Exoplanets around G-K Giants, astro-ph
• A Planet of an A-Star: HD15082b, astro-ph
• Planets around Extreme Horizontal Branch Stars, astro-ph
• Analysis of Two Eclipsing Hot Subdwarf Binaries with a Low Mass Stellar and a Brown Dwarf Companion
• , astro-ph
• A Planetary Companion around a Metal-Poor Star with Extragalactic Origin, astro-ph
• Brown Dwarf Companions to White Dwarfs, astro-ph
• Latest Results from the DODO Survey: Imaging Planets around White Dwarfs, astro-ph
• Searching for Planets with White Dwarf Pulsations: Spurious Detections, astro-ph
• The Planets around the Post-Common Envelope Binary NN Serpentis, astro-ph
• On the Origin of Metals in Some Hot White Dwarf Photospheres, astro-ph
• Study of Planetary Systems around Giant Stars, astro-ph
• Towards a New Prescription for the Tidal Capture of Planets, Brown Dwarfs and Stellar Companions, astro-ph
• Transit timing variations in the HAT-P-13 planetary system, astro-ph
• Characteristics of planetary candidates observed by Kepler, II: Analysis of the first four months of data, astro-ph
• Architecture and Dynamics of Kepler's Candidate Multiple Transiting Planet Systems, astro-ph
• Transit Timing Observations from Kepler: I. Statistical Analysis of the First Four Months, astro-ph
• The Distribution of Transit Durations for Kepler Planet Candidates and Implications for their Orbital Eccentricities, astro-ph
• The atmospheres of the hot-Jupiters Kepler-5b and Kepler-6b observed during occultations with Warm-Spitzer and Kepler, astro-ph

Posted by Keith Cowing at 9:30 AM | Permalink | Comments (0)

• A closely packed system of low-mass, low-density planets transiting Kepler-11, Nature
• Earth 2.0, Nature
• Astronomy: Beyond the stars, Nature
• NASA's Kepler Spacecraft Discovers Extraordinary New Planetary System
• Six Small Planets Orbiting a Sun-like Star Amaze Astronomers
• Rare Meteorites Reveal Mars Collision Caused Water Flow
• On the Low False Positive Probabilities of Kepler Planet Candidates, astro-ph
• TRAPPIST: a robotic telescope dedicated to the study of planetary systems, astro-ph
• On the Anomalous Radii of the Transiting Extrasolar Planets, astro-ph
• Modeling the Young Sun's Solar Wind and its Interaction with Earth's Paleomagnetosphere
• Disequilibrium Carbon, Oxygen, and Nitrogen Chemistry in the Atmospheres of HD 189733b and HD 209458b
• Astrophysical Parameters and Habitable Zone of the Exoplanet Hosting Star GJ 581
• Resolving the Sin(I) degeneracy in Low-Mass Multi-Planet Systems

Posted by Keith Cowing at 12:18 PM | Permalink | Comments (0)

• Magnetically Controlled Outflows from Hot Jupiters, astro-ph
• Sirius B Imaged in the Mid-Infrared: No Evidence for a Remnant Planetary System, astro-ph
• WASP-40b: independent discovery of the 0.6-Mjup transiting exoplanet HAT-P-27b, astro-ph
• HERMES high-resolution spectroscopy of HD 149382. Where did the planet go?, astro-ph
• Korean-Japanese Planet Search Program: Substellar Companions around Intermediate-Mass Giants, astro-ph
• The Effect of an Early Planetesimal-Driven Migration of the Giant Planets on Terrestrial Planet Formation, astro-ph
• Orbital Evolution of Planets around Intermediate-Mass Giants, astro-ph
• HAT-P-27b: A hot Jupiter transiting a G star on a 3 day orbit, astro-ph

Posted by Keith Cowing at 1:23 PM | Permalink | Comments (0)

• The Gemini NICI Planet-Finding Campaign : Discovery of a Substellar L Dwarf Companion to the Nearby Young M Dwarf CD-35 2722
• , astro-ph
• Embedded protostellar disks around (sub-)solar stars. II. Disk masses, sizes, densities, temperatures and the planet formation perspective, astro-ph
• Application of recent results on the orbital migration of low mass planets: convergence zones, astro-ph
• On the orbit of the short-period exoplanet WASP-19b, astro-ph
• Metallicity of M dwarfs: the link to exoplanets, astro-ph

Posted by Keith Cowing at 11:11 PM | Permalink | Comments (0)

• Tidal obliquity evolution of potentially habitable planets, astro-ph
• Prospects of the Detection of Circumbinary Planets With Kepler and CoRoT Using the Variations of Eclipse Timing, astro-ph
• Recurrent Planet Formation and Intermittent Protostellar Outflows Induced by Episodic Mass Accretion, astro-ph
• Using Stellar Densities to Evaluate Transiting Exoplanetary Candidates, astro-ph
• High-contrast observations of 136108 Haumea. A crystalline water-ice multiple system, astro-ph
• Discovery of extra-terrestrial life: assessment by scales of its importance and associated risks, Philosophical Transactions of the Royal Society: Mathematical, Physical and Engineering
• Extending Astrobiology: Consciousness and Culture, Nature Precedings

Posted by Keith Cowing at 12:03 AM | Permalink | Comments (0)

• Kepler Mission Discovers its First Rocky Planet, NASA
• SDSS-III: Massive Spectroscopic Surveys of the Distant Universe, the Milky Way Galaxy, and Extra-Solar Planetary Systems, astro-ph
• Determination of the inclination of the multi-planet hosting star HR8799 using asteroseismology, astro-ph
• The Fate of Planets, astro-ph
• Transiting exoplanets from the CoRoT space mission: XIII. CoRoT-14b: an unusually dense very hot Jupiter, astro-ph
• Planet Formation Around M-dwarfs: From Young Disks to Planets, astro-ph

Posted by Keith Cowing at 12:52 PM | Permalink | Comments (0)

• Life's building blocks could be raining out of Titan's atmosphere, Wired
• On the Inclination Dependence of Exoplanet Phase Signatures, astro-ph
• Single peaked CO emission line profiles from the inner regions of protoplanetary disks, astro-ph
• The California Planet Survey III. A Possible 2:1 Resonance in the Exoplanetary Triple System HD 37124, astro-ph
• The Solar and alpha Centauri A and B models improved by opacity enhancement - a possible explanation for the oversize cool stars, astro-ph

Posted by Keith Cowing at 1:11 PM | Permalink | Comments (0)

• Formation of planetary cores at Type I migration traps, astro-ph
• The Tidal Downsizing hypothesis for planet formation and the composition of Solar System comets, astro-ph
• Princeton scientists construct synthetic proteins that sustain life
• Widespread Ancient Ocean "Dead Zones" Challenged Early Life, NSF

Posted by Keith Cowing at 1:14 PM | Permalink | Comments (0)

• Self-Consistent Model Atmospheres and the Cooling of the Solar System's Giant Planets
• Planets around Giant Stars
• PTF/M-dwarfs: A Large New M-dwarf Planetary Transit Survey
• The role of rotation on the evolution of dynamo generated magnetic fields in Super Earths
• Bayesian Re-analysis of the Gliese 581 Exoplanet System

Posted by Keith Cowing at 1:31 PM | Permalink | Comments (0)

• Planets from the HATNet project, astro-ph
• Probing the impact of stellar duplicity on the frequency of giant planets: final results of our VLT/NACO survey, astro-ph
• Radial velocity follow-up of CoRoT transiting exoplanets, astro-ph
• Extrasolar planet population synthesis III. Formation of planets around stars of different masses, astro-ph
• Evolution of PAHs in protoplanetary disks
• Polarized reflected light from the exoplanet HD189733b: First multicolor observations and confirmation of detection, astro-ph
• Possible Signs of Water and Differentiation in a Rocky Exoplanetary Body, astro-ph
• The Far-Ultraviolet "Continuum" in Protoplanetary Disk Systems I: Electron-Impact H2 and Accretion Shocks, astro-ph
• SOPHIE velocimetry of Kepler transit candidates II. KOI-428b: a hot Jupiter transiting a subgiant F-star, astro-ph
• Chaos, storms and climate on Mars, astro-ph

Posted by Keith Cowing at 9:10 AM | Permalink | Comments (0)

• Organics on Mars?, Astrobiology
• Mars Exploration Program Analysis Group Goal One: Determine If Life Ever Arose on Mars, Astrobiology
• 'Weird life' arguments reveal science at work, MSNBC
• How Earth's Orbital Shift Shaped the Sahara, Astrobiology Magazine
• 2011 Undergraduate Research Associates in Astrobiology Program
• NASA Gives Grant to Maine Schools (astrobiology curriculum), Fox 23

Posted by Keith Cowing at 3:53 PM | Permalink | Comments (0)

• Primordial Planet Formation
• Formation of Planets by Hydrogravitational Dynamics
• The Exoplanet Orbit Database
• The upper atmosphere of the exoplanet HD209458b revealed by the sodium D lines: Temperature-pressure profile, ionization layer, and thermosphere

Posted by Keith Cowing at 11:29 AM | Permalink | Comments (0)

• The HARPS search for southern extra-solar planets: XXVI: Seven new planetary systems
• Consequences of the Ejection and Disruption of Giant Planets, astro-ph
• The Search for signals of technological activities in the galaxy, astro-ph
• Star-Planet Interactions in X-rays, astro-ph

Posted by Keith Cowing at 9:19 PM | Permalink | Comments (0)

• The HARPS search for southern extra-solar planets: XXVI: Seven new planetary systems, astro-ph
• Astronomical Oxygen Isotopic Evidence for Supernova Enrichment of the Solar System Birth Environment by Propagating Star Formation, astro-ph
• A much lower density for the transiting extrasolar planet WASP-7, astro-ph
• Evolution of Coated Grains in Spiral Shocks of Self-Gravitating Protoplanetary Disks, astro-ph
• Theory of planet formation, astro-ph
• A short-period censor of sub-Jupiter mass exoplanets with low density, astro-ph
• Transitional and Pre-Transitional disks: Gap Opening by Multiple Planets?, astro-ph

Posted by Keith Cowing at 2:33 PM | Permalink | Comments (0)

• Response to Questions Concerning the Science Article, "A Bacterium That Can Grow by Using Arsenic Instead of Phosphorus", Felisa Wolfe-Simon
• What Poison? Bacterium Uses Arsenic to Build DNA and Other Molecules, Science
• Backing off an arsenic-eating claim, Philadelphia Inquirer
• Study on arsenic-based life takes a beating on the Web, Washington Post
• 'Weird life' researchers answer critics, MSNBC
• The widespread occurence of water vapor in the circumstellar envelopes of carbon-rich AGB stars: first results from a survey with Herschel/HIFI, astro-ph
• The Interaction of Planets and Brown Dwarfs with AGB Stellar Winds, astro-ph
• Secular Chaos and the Production of Hot Jupiters, astro-ph
• Structure and evolution of debris disks around F-type stars: I. Observations, database and basic evolutionary aspects, astro-ph

Posted by Keith Cowing at 5:50 PM | Permalink | Comments (0)

• Qatar-1b: a hot Jupiter orbiting a metal-rich K dwarf star, astro-ph
• Astronomy, Space Science and Geopolitics, astro-ph
• Software architecture for an unattended remotely controlled telescope, astro-ph
• A general model of resonance capture in planetary systems: First and second order resonances, astro-ph

Posted by Keith Cowing at 9:02 PM | Permalink | Comments (0)

• Exoplanet atmospheres: a brand-new and rapidly expanding research field, astro-ph
• Implications of the TTV-Detection of Close-In Terrestrial Planets Around M Stars for Their Origin and Dynamical Evolution, astro-ph
• WASP-34b: a near-grazing transiting sub-Jupiter-mass exoplanet in a hierarchical triple system, astro-ph
• The WASP-South search for transiting exoplanets, astro-ph
• Millimeter Imaging of the beta Pictoris Debris Disk: Evidence for a Planetesimal Belt, astro-ph

Posted by Keith Cowing at 7:39 AM | Permalink | Comments (0)

• Habitability of Planets Orbiting Cool Stars, astro-ph
• Forming Close-in Earth-like Planets via a Collision-Merger Mechanism in Late-stage Planet Formation, astro-ph
• Detection limits for close eclipsing and transiting sub-stellar and planetary companions to white dwarfs in the WASP survey, astro-ph
• Radiation Environment In Earth-Moon Space: Results From RADOM Experiment Onboard Chandrayaan-1, astro-ph
• Herschel/HIFI observations of IRC+10216: water vapor in the inner envelope of a carbon-rich AGB star, astro-ph
• Detecting Tree-like Multicellular Life on Extrasolar Planets, Astrobiology

Posted by Keith Cowing at 11:10 AM | Permalink | Comments (0)

• Polycyclic aromatic hydrocarbon processing by cosmic rays, astro-ph
• High C/O Ratio and Weak Thermal Inversion in the Very Hot Atmosphere of Exoplanet WASP-12b, astro-ph
• A search for star-planet interactions in chromospheric lines, astro-ph
• A new view on planet formation, astro-ph

Posted by Keith Cowing at 3:27 PM | Permalink | Comments (0)

• The Wrong Stuff: NASA Dismisses Arsenic Critique Because Critical Priest Not Standing on Altar, Wired
• NASA's arsenic microbe science slammed, CBC News
• Microbe gets toxic response, Nature
• The Right Place for Scientific Debate?, Columbia Journalism Review
• Arsenic-associated bacteria (NASA's claims), Rosie Redfield
• Was the arsenic life form announcement just a NASA publicity stunt?, io9
• A possible dividing line between massive planets and brown-dwarf companions, astro-ph
• Disentangling stellar activity and planetary signals, astro-ph
• Preface: Planetary Systems Beyond the Main Sequence 2010, astro-ph

Posted by Keith Cowing at 10:24 AM | Permalink | Comments (0)

• Binary planetesimals and their role in planet formation, astro-ph
• Wind-shearing in gaseous protoplanetary disks, astro-ph
• Planets in evolved binary systems, astro-ph
• How planet-planet scattering can create high-inclination as well as long-period orbits, astro-ph
• Understanding exoplanet formation, structure and evolution in 2010, astro-ph

Posted by Keith Cowing at 7:52 PM | Permalink | Comments (0)

• A ground-based transmission spectrum of the super-Earth exoplanet GJ1214b, astro-ph
• The Transit Light Curve Project. XIII. Sixteen Transits of the Super-Earth GJ 1214b, astro-ph
• Multi-Aperture Imaging of Extrasolar Planetary Systems, astro-ph
• The GJ1214 Super-Earth System: Stellar Variability, New Transits, and a Search for Additional Planets, astro-ph
• A Bacterium That Can Grow by Using Arsenic Instead of Phosphorus, Science
• Heat helped hasten life's beginnings, University of North Carolina
• From toxicity to life: arsenic proves to be a building block, Lawrence Livermore National Laboratory
• Strange discovery: Bacteria built with arsenic, SLAC National Accelerator Laboratory

Posted by Keith Cowing at 10:12 AM | Permalink | Comments (0)

• Stop Freaking Out: NASA Has Found Something To Do With Astrobiology. Doesn't Mean It's Aliens, Forbes
• Close Encounters of the Media Kind, Columbia Journalism Review
• Spitzer Spectroscopy of the Circumprimary Disk in the Binary Brown Dwarf 2MASS J04414489+2301513, astro-ph
• The effects of stochastic forces on the evolution of planetary systems and Saturn's rings, astro-ph
• The Potential of the Timing Method to Detect Evolved Planetary Systems, astro-ph
• Announcement of Earlier Kepler Data Release--from June 2011 to 1 February 2011

Posted by Keith Cowing at 10:59 AM | Permalink | Comments (0)

• NASA Aids First Characterization of Super-Earth Atmosphere, NASA
• First super-Earth atmosphere analyzed, ESO
• Super-Earth Has an Atmosphere, But Is It Sreamy or Gassy? CFA
• Protoplanetary Disks of Binary Systems in Orion, astro-ph
• Predicted dynamos for terrestrial extra-solar planets and their influence in habitability, astro-ph
• Homogeneous photospheric parameters and C abundances in G and K nearby stars with and without planets, astro-ph
• Stellar characterization of CoRoT/Exoplanet fields with MATISSE, astro-ph
• Venus Holds Warning for Earth, ESA

Posted by Keith Cowing at 11:01 PM | Permalink | Comments (0)

• NASA Satellite Reaches Orbit, Begins Astrobiology Experiments, NAI
• NASA Astobiology Institute Research Scholarship Awardees, NAI
• The Astrobiology Program Announces the Selection of Two New NASA Postdoctoral Fellows, NAI
• New NASA Astrobiology Institute International Partner: Instituto de Astrobiologia (Columbia), NAI

Posted by Keith Cowing at 11:08 AM | Permalink | Comments (0)

• Silica on Mars Volcano Tells of Wet and Cozy Past, NASA
• Evidence for Terrestrial Planetary System Remnants at White Dwarfs, astro-ph
• Astrobiology and the Kuiper Belt, Centauri Dreams

Posted by Keith Cowing at 10:37 AM | Permalink | Comments (0)

• Towards the Rosetta Stone of planet formation, astro-ph
• The Super Lithium-Rich Red Giant Rapid Rotator G0928+73.2600: A Case for Planet Accretion?, astro-ph
• Free-floating planets: a viable option for panspermia, astro-ph
• The formation of polycyclic aromatic hydrocarbons in evolved circumstellar environments, astro-ph
• Planetary detection limits taking into account stellar noise. I. Observational strategies to reduce stellar oscillation and granulation effects, astro-ph
• Possible Signatures of Magnetospheric Accretion onto Young Giant Planets, astro-ph
• Transmission Spectra of Transiting Planet Atmospheres: Simulations of the Hot Neptune GJ 436b and Prospects for JWST, astro-ph

Posted by Keith Cowing at 10:55 AM | Permalink | Comments (0)

• Titan's haze may hold ingredients for life, University of Arizona
• Water discovered on second asteroid, may be even more common
• Enceladus May Keep Oceans Liquid with Wobble, NASA
• Powerful supercomputer peers into the origin of life, Oak Ridge National Laboratory
• NASA Symposium Marks 50-Year-Search for Signs of Life in Universe, NASA
• Atmospheric circulation of tidally-locked exoplanets: a suite of benchmark tests for dynamical solvers, astro-ph
• Orbital Orientations of Exoplanets: HAT-P-4b is Prograde and HAT-P-14b is Retrograde, astro-ph
• A Spitzer/IRS spectral study of a sample of galactic carbon-rich proto-planetary nebulae, astro-ph
• A numerical simulation of a "super-Earth" core delivery from ~ 100 AU to ~ 8 AU, astro-ph
• Interaction of Atomic and Molecular Hydrogen with Tholin Surfaces at Low Temperatures, astro-ph

Posted by Keith Cowing at 11:44 AM | Permalink | Comments (0)

• WASP-38b: A 6.87 day period exoplanet transiting a bright F-type star, astro-ph
• The HARPS search for southern extra-solar planets. XXIV. Companions to HD 85390, HD 90156 and HD 103197: A Neptune analogue and two intermediate mass planets, astro-ph
• HAT-P-26b: A Low-Density Neptune-Mass Planet Transiting a K Star, astro-ph
• Comparison of current models for Hot Jupiters to the sample of transiting exoplanets, astro-ph
• An analysis of the CoRoT-2 system: A young spotted star and its inflated giant planet, astro-ph
• WASP-33: The first delta Scuti exoplanet host star and evidence of star-planet interactions, astro-ph

Posted by Keith Cowing at 9:39 PM | Permalink | Comments (0)

• Thermal evolution and interior models of the transiting super-Earth GJ 1214b, astro-ph
• Europa's hidden ice chemistry, NASA
• Seeking Signs of Life: A Symposium Celebrating the 50th Anniversary of NASA's Exo/Astrobiology Program

Posted by Keith Cowing at 6:35 PM | Permalink | Comments (0)

• The Oblique Orbit of the Super-Neptune HAT-P-11b, astro-ph
• A Possible Tilted Orbit of the Super-Neptune HAT-P-11b, astro-ph
• Stability of Magnetized Disks and Implications for Planet Formation, astro-ph
• Clouds in the Coldest Brown Dwarfs: FIRE Spectroscopy of Ross 458C, astro-ph
• The Lick-Carnegie Exoplanet Survey: A 3.1 M_Earth Planet in the Habitable Zone of the Nearby M3V Star Gliese 581, astro-ph
• The extrasolar planet GL 581 d: A potentially habitable planet?, astro-ph
• The chemical composition of the Orion star forming region: stars, gas and dust, astro-ph
• Planetary systems in close binary stars: the case of HD196885, astro-ph
• TASTE: The Asiago Survey for Timing transit variations of Exoplanets, astro-ph
• WASP-25b: a 0.6 M_J planet in the Southern hemisphere, astro-ph
• The Impact of Hot Jupiters on the Spin-down of their Host Stars, astro-ph

Posted by Keith Cowing at 9:13 AM | Permalink | Comments (0)

• A frozen super-Earth orbiting a star at the bottom of the Main Sequence
• NASA and NSF-Funded Research Finds First Potentially Habitable Exoplanet, NASA
• New Discovery May Be First Truly Habitable Exoplanet, University of California Santa Cruz
• Fresh Look at Previously Suggested Planet, University of Texas at Arlington

Posted by Keith Cowing at 9:11 AM | Permalink | Comments (0)

• Water formation at low temperatures by surface O2 hydrogenation I: characterization of ice penetration, astro-ph
• Water formation at low temperatures by surface O2 hydrogenation II: the reaction network, astro-ph
• The first WASP public data release, astro-ph
• WASP-29b: A Saturn-sized transiting exoplanet, astro-ph
• Planetary mass function and planetary systems, astro-ph
• Surface Layer Accretion in Transitional Disks: From Polycyclic Aromatic Hydrocarbons to Planets, astro-ph
• Photometric Phase Variations of Long-Period Eccentric Planets, astro-ph
• Two-Dimensional Study of the Propagation of Planetary Wake and the Indication to Gap Opening in an Inviscid Protoplanetary Disk, astro-ph
• Confirmation of a Retrograde Orbit for Exoplanet WASP-17b, astro-ph
• Vortex migration in protoplanetary disks, astro-ph
• Chemical Clues on the Formation of Planetary Systems: C/O vs Mg/Si for HARPS GTO Sample, astro-ph

Posted by Keith Cowing at 12:32 AM | Permalink | Comments (0)

• The Spitzer c2d Survey of Weak-Line T Tauri Stars. III. The Transition from Primordial Disks to Debris Disks, astro-ph
• Planetesimal-driven planet migration in the presence of a gas disk, astro-ph
• Effects of rotational mixing on the asteroseismic properties of solar-type stars, astro-ph
• Transit timing variation and activity in the WASP-10 planetary system, astro-ph
• M67-1194, an unusually Sun-like solar twin in M67, astro-ph
• From Dust To Planetesimal: The Snowball Phase ?, astro-ph
• A brown dwarf companion to the intermediate-mass star HR6037, astro-ph

Posted by Keith Cowing at 7:56 PM | Permalink | Comments (0)

• Simulations of coronagraphy with a dynamic hologram for the direct detection of exo-planets, astro-ph
• Supernova Explosions inside Carbon-Oxygen Circumstellar Shells, astro-ph
• On the alignment of debris disks and their host stars' rotation axis -implications for spin-orbit misalignment in exoplanetary systems, astro-ph
• Independent discovery and refined parameters of the transiting exoplanet HAT-P-14b, astro-ph

Posted by Keith Cowing at 7:54 PM | Permalink | Comments (0)

• Accepted Notion of Mars as Lifeless Is Challenged, NY Times
• Not 'life,' but maybe 'organics' on Mars, Washington Post

Posted by Keith Cowing at 3:25 PM | Permalink | Comments (0)

• Mars Phoenix Findings Help Explain Viking Lander Results, NASA
• Gamma Ray Bursts Could Have Led to Extinctions, Universe Today
• Musings on the Implications of Synthetic Life on Astrobiology, Exoplanetology
• “Will Alien Life Resemble Us (and How Could We Possibly Know)? Astrobiology, Evolution and the Amino Acids” JHU Astrobiology Club

Posted by Keith Cowing at 3:27 PM | Permalink | Comments (0)

• Sensitivity of Biomarkers to Changes in Chemical Emissions in the Earth's Proterozoic Atmosphere, astro-ph
• Evolution of the Solar Nebula and Planet Growth Under the Influence of Photoevaporation, astro-ph

Posted by Keith Cowing at 3:30 PM | Permalink | Comments (0)

• Forming the first planetary systems: debris around Galactic thick disc stars, astro-ph
• Could the planets around HR 8799 be brown dwarfs?, astro-ph
• Water Deep in Earth Key to Survival of Oldest Continents, NASA
• Spectrum of Young Exoplanet Yields Surprising Results, University of Hawaii

Posted by Keith Cowing at 3:33 PM | Permalink | Comments (0)

• HAT-P-25b: a Hot-Jupiter Transiting a Moderately Faint G Star, astro-ph
• HAT-P-17b,c: A Transiting, Eccentric, Hot Saturn and a Long-period, Cold Jupiter, astro-ph
• Detecting Oceans on Extrasolar Planets Using the Glint Effect, astro-ph
• Re-assessing the radial-velocity evidence for planets around CoRoT-7, astro-ph
• The Rossiter-McLaughlin Effect of the Transiting Exoplanet XO-4b, astro-ph
• About the possible role of hydrocarbon lakes in the origin of Titan's noble gas atmospheric depletion, astro-ph
• XMM-Newton observations of HD189733 during planetary transits, astro-ph

Posted by Keith Cowing at 12:39 AM | Permalink | Comments (0)

• Discovery of water vapour in the carbon star V Cygni from observations with Herschel/HIFI, astro-ph
• Herschel/HIFI observations of Mars: first detection of O_2 at submillimetre wavelengths and upper limits on HCl and H_2O_2, astro-ph
• On the Possibility of Tidal Formation of Binary Planets Around Ordinary Stars, astro-ph

Posted by Keith Cowing at 9:43 PM | Permalink | Comments (0)

• First results on martian carbon monoxide from Herschel/HIFI observations, astro-ph
• Direct Imaging of Bridged Twin Protoplanetary Disks in a Young Multiple Star, astro-ph
• A Failure of Serendipity: the Square Kilometre Array will struggle to eavesdrop on Human-like ETI, astro-ph
• Nemesis Reconsidered, astro-ph
• Methane in the atmosphere of the transiting hot Neptune GJ436b?, astro-ph
• Photometric transit search for planets around cool stars from the Western Italian Alps: a site characterization study, astro-ph

Posted by Keith Cowing at 9:41 PM | Permalink | Comments (0)

• Zapping Titan-like Atmosphere with UV Creates Life Precursors, University of Arizona
• Thermal fluctuations and nanoscale effects in the nucleation of carbonaceous dust grains, astro-ph
• Water-ice driven activity on Main-Belt Comet P/2010 A2 (LINEAR) ?, astro-ph
• The non-resonant, relativistic dynamics of circumbinary planets, astro-ph

Posted by Keith Cowing at 11:07 AM | Permalink | Comments (0)

• The SOPHIE search for northern extrasolar planets III. A Jupiter-mass companion around HD 109246, astro-ph
• Methane, ammonia, and their irradiation products at the surface of an intermediate-size KBO? A portrait of Plutino (90482) Orcus, astro-ph
• High-resolution infrared spectroscopy as a tool to detect false positives of transit search programs, astro-ph

Posted by Keith Cowing at 11:05 AM | Permalink | Comments (0)

• A Revised Orbital Ephemeris for HAT-P-9b, astro-ph
• The Discovery of the Most Metal-Rich White Dwarf: Composition of a Tidally Disrupted Extrasolar Dwarf Planet, astro-ph
• The Value of Systems with Multiple Transiting Planets, astro-ph

Posted by Keith Cowing at 1:49 PM | Permalink | Comments (0)

• The Directly Imaged Planet around the Young Solar Analog 1RXS J160929.1-210524: Confirmation of Common Proper Motion, Temperature and Mass, astro-ph
• Accretion among preplanetary bodies: the many faces of runaway growth, astro-ph
• CoRoT-10b: a giant planet in a 13.24 day eccentric orbit, astro-ph
• The relevance of prior inclination determination for direct imaging of Earth-like planets, astro-ph
• Evidence of Possible Spin-Orbit Misalignment Along the Line of Sight in Transiting Exoplanet Systems, astro-ph

Posted by Keith Cowing at 1:03 PM | Permalink | Comments (0)

• Evidence of Possible Spin-Orbit Misalignment Along the Line of Sight in Transiting Exoplanet Systems, astro-ph
• The relevance of prior inclination determination for direct imaging of Earth-like planets, astro-ph
• CoRoT-10b: a giant planet in a 13.24 day eccentric orbit, astro-ph

Posted by Keith Cowing at 12:10 AM | Permalink | Comments (0)

• Tidal Effects on the Habitability of Exoplanets: The Case of GJ 581 d, astro-ph
• Toward a Deterministic Model of Planetary Formation VI: Dynamical Interaction and Coagulation of Multiple Rocky Embryos and Super-Earth Systems around Solar Type Stars, astro-ph
• WASP-21b: a hot-Saturn exoplanet transiting a thick disc star, astro-ph
• Five Kepler target stars that show multiple transiting exoplanet candidates, astro-ph
• Characteristics of Kepler Planetary Candidates Based on the First Data Set: The Majority are Found to be Neptune-Size and Smaller, astro-ph
• Kepler Eclipsing Binary Stars. I. Catalog and Principal Characterization of 1832 Eclipsing Binaries in the First Data Release, astro-ph

Posted by Keith Cowing at 1:33 PM | Permalink | Comments (0)

• Near-Infrared Thermal Emission from TrES-3b: A Ks-band detection and an H-band upper limit on the depth of the secondary eclipse, astro-ph
• Testing the theory of grain growth and fragmentation by millimeter observations of protoplanetary disks, astro-ph
• Have proto-planetary discs formed planets?, astro-ph
• Transit timing variation in exoplanet WASP-3b, astro-ph

Posted by Keith Cowing at 10:46 AM | Permalink | Comments (0)

• Alien Climates Play Key Role in Possibility of Life, NAI
• Could Life Survive on Mars? Yes, Expert Says, McGill University
• Preparation for the Solar system observations with Herschel: Simulation of Jupiter observations with PACS, astro-ph
• Molecular absorption lines toward star-forming regions : a comparative study of HCO+, HNC, HCN, and CN, astro-ph
• Habitability of exoplanetary systems with planets observed in transit, astro-ph
• Astronomy 3.0 Style, astro-ph
• Campus Connection: Combining astrobiology and the ballpark, the Cap Times

Posted by Keith Cowing at 12:54 PM | Permalink | Comments (0)

• What Is Consuming Hydrogen & Acetylene on Titan?
• Early Earth Haze Likely Provided Ultraviolet Shield
• NASA Rover Finds Clue to Mars' Past and Environment for Life
• Life on Mars: University of Leicester to detect clues for alien existence

Posted by Keith Cowing at 5:24 PM | Permalink | Comments (0)

• Imaging of a Transitional Disk Gap in Reflected Light: Indications of Planet Formation Around the Young Solar Analog LkCa 15, astro-ph
• HAT-P-15b: A 10.9-day Extrasolar Planet Transiting a Solar-type Star, astro-ph
• Looking for Life in the Universe
• New Crater May Have Helped Create Antarctic Ice Sheet

Posted by Keith Cowing at 7:51 PM | Permalink | Comments (0)

• Analysis of radial velocity variations in multiple planetary systems, astro-ph
• Is Gliese 581d habitable? Some constraints from radiative-convective climate modeling, astro-ph

Posted by Keith Cowing at 8:24 PM | Permalink | Comments (0)

• Proper motion and Photometric Variability of the Candidate Propotoplanet TMR-1C, astro-ph
• The Herschel-SPIRE submillimetre spectrum of Mars, astro-ph
• Radial velocity planets de-aliased. A new, short period for Super-Earth 55 Cnc e, astro-ph
• Abundances of Jupiter's Trace Hydrocarbons From Voyager and Cassini, astro-ph

Posted by Keith Cowing at 8:20 PM | Permalink | Comments (0)

• Survival capability of a cold-loving microbe in a Mars simulation chamber, NAI
• ASU receives powerful nano-scale imaging instrument
• Video: Andy Thomas at the official launch of the Australian Centre for Astrobiology, Sciencestage
• Climate, Habitability, and the Atmosphere on early Mars, NAI

Posted by Keith Cowing at 8:18 PM | Permalink | Comments (0)

• Co-evolution of atmospheres, life, and climate, astro-ph
• Metals in the Exosphere of the Highly Irradiated Planet WASP-12b, astro-ph
• New sub-millimeter heterodyne observations of CO and HCN in Titan's atmosphere with the APEX Swedish Heterodyne Facility Instrument, astro-ph
• The Vega Debris Disc: A view from Herschel, astro-ph
• Stellar Motion Induced by Gravitational Instabilities in Protoplanetary Disks, astro-ph
• On the dynamics of Extrasolar Planetary Systems under dissipation. Migration of planets, astro-ph

Posted by Keith Cowing at 3:27 PM | Permalink | Comments (0)

• Did phosphorus trigger complex evolution -- and blue skies?
• Tidally induced brown dwarf and planet formation in circumstellar discs, astro-ph
• A search for debris disks in the Herschel ATLAS, astro-ph
• Giant Planet Occurrence in the Stellar Mass-Metallicity Plane, astro-ph
• Resolving the cold debris disc around a planet-hosting star: PACS photometric imaging observations of q1 Eri (HD10647, HR506), astro-ph
• Cold dust around nearby stars (DUNES). First results: A resolved exo-Kuiper belt around the solar-like star zeta^2 Ret, astro-ph
• Improved stellar parameters of CoRoT-7, astro-ph

Posted by Keith Cowing at 2:29 PM | Permalink | Comments (0)

• Bacterial growths may offer clues about Earth's distant past
• New 'Tree of Life' established for one of the largest groups of bacteria
• Prehistoric fish extinction paved the way for modern vertebrates
• Viability of a Mission to Characterize Exo-Earths Using JWST plus a Starshade External Occulter, astro-ph
• Substellar Companions to Evolved Intermediate-Mass Stars: HD 145457 and HD 180314, astro-ph
• Possible constraints on exoplanet magnetic field strengths from planet-star interaction, astro-ph
• Ruling Out Possible Secondary Stars to Exoplanet Host Stars Using the CHARA Array, astro-ph
• Locating the planetesimals belts in the multiple-planet systems HD 128311, HD 202206, HD 82943 and HR 8799, astro-ph

Posted by Keith Cowing at 4:19 PM | Permalink | Comments (0)

• Orbital motion of the young brown dwarf companion TWA 5 B, astro-ph
• Guest Post: Caleb Scharf on the Shadow Biosphere, Scharf
• Observations of Mass Loss from the Transiting Exoplanet HD 209458b, astro-ph
• Frostbite? Not for These Microbes, Science
• Imponderables Complicate Hunt For Intelligent Life Beyond Earth, Science

Posted by Keith Cowing at 2:35 PM | Permalink | Comments (0)

• NASA team cites new evidence that meteorites from Mars contain ancient fossils, Washington post
• Is This What Aliens Look Like?, Space.com
• Meteorites suggest seeds of life within our solar system, LA Times
• Comet clues buried in Antarctic snow

Posted by Keith Cowing at 11:43 AM | Permalink | Comments (0)

• Discovery of a stellar companion to the nearby solar-analogue HD 104304, astro-ph
• A cold complex chemistry toward the low-mass protostar B1-b: evidence for complex molecule production in ices, astro-ph
• Planet--planet scattering in circumstellar gas disks, astro-ph
• Dark Energy, Anthropic Selection Effects, Entropy and Life, astro-ph
• Lighting the way: Optical SETI, Astronomy Now
• Ice and organics found on main belt asteroid, Astronomy Now
• Astrobiology Heavy Factor In Decadal Survey, Aviation Week

Posted by Keith Cowing at 1:10 PM | Permalink | Comments (0)

• Photometric and Spectral Signatures of 3D Models of Transiting Giant Exoplanets, astro-ph
• Weird, Ultra-small Microbes Turn Up in Acidic Mine Drainage, UC Berkeley
• Forthcoming Books in Astrobiology, Springer
• Astrobiology Heavy Factor In Decadal Survey, Aviation Week
• Stability analysis of single planet systems and their habitable zones, astro-ph
• Circulation and Dissipation on Hot Jupiters, astro-ph
• Weird, ultra-small microbes turn up in acidic mine drainage

Posted by Keith Cowing at 3:29 PM | Permalink | Comments (0)

• NASA team cites new evidence that meteorites from Mars contain ancient fossils, Washington Post
• Resolved images of self-gravitating circumstellar discs with ALMA, astro-ph
• Formation of the resonant system HD 60532, astro-ph

Posted by Keith Cowing at 10:03 AM | Permalink | Comments (0)

• Global Mapping of Earth-like Exoplanets from Scattered Light Curves, astro-ph
• Simulation and analysis of sub-{\mu}as precision astrometric data for planet-finding, astro-ph
• NASA Responds to Hawking Comments, NASA

Posted by Keith Cowing at 11:31 AM | Permalink | Comments (0)

• The dayside atmosphere of the hot-Neptune GJ 436b
• On the oxygen and nitrogen chemical abundances and the evolution of the "green pea" galaxies
• Seeing the Closest Aliens Will Take Centuries< NASA

Posted by Keith Cowing at 11:30 AM | Permalink | Comments (0)

• Too risky to phone ET? Too late - NASA's tried it, AP
• Asteroid ice may be 'living fossil' with clues to oceans' origins, University of Central Florida
• Scientists finds evidence of water ice on asteroid's surface, University of Tennessee Knoxville
• Scientists Say Ice Lurks in Asteroid's Cold Heart, Jet Propulsion Laboratory
• The solar-like CoRoT target HD 170987: spectroscopic and seismic observations, astro-ph
• On the Nature of the Purported Common Proper Motion Companions to the Exoplanet Host Star 51 Peg, astro-ph

Posted by Keith Cowing at 11:27 AM | Permalink | Comments (0)

• A Correlation Between Stellar Activity and the Surface Gravity of Hot Jupiters, astro-ph
• Line-profile tomography of exoplanet transits -- II. A gas-giant planet transiting a rapidly-rotating A5 star, astro-ph
• Persistent Evidence of a Jovian Mass Solar Companion in the Oort Cloud, astro-ph
• The Lick-Carnegie Exoplanet Survey: A Saturn-Mass Planet in the Habitable Zone of the Nearby M4V Star HIP 57050, astro-ph
• NASA Announces Wednesday Media Teleconference About Search For Extraterrestrial Life
• Astrobiology Volume 10, Number 2
• Do Asphalt-Loving Microbes Point the Way to Life on Titan?, Discover
• WHOI scientists find ancient asphalt domes off California coast, WHOI
• Scientists Discover Underwater Asphalt Volcanoes, NSF

Posted by Keith Cowing at 12:06 PM | Permalink | Comments (0)

• The Real Science of Avatar, Time
• 'Avatar' renews interest in extra-solar habitats, USA Today
• Stephen Hawking aliens warning: Should we hide?, Christian Science Monitor
• Is it time for a new approach to finding extraterrestrials?, Economist
• High Temperature Photochemistry in the Atmosphere of HD189733b, astro-ph
• On the variation of orbital inclination of planets in the CoRoT-7 extrasolar planetary system, astro-ph
• Atmospheric Chemistry of Venus-like Exoplanets, astro-ph
• Planet Migration, astro-ph
• Exploring the conditions required to form giant planets via gravitational instability in massive protoplanetary discs, astro-ph
• Searching for sub-stellar companion into the LkCa15 proto-planetary disk, astro-ph
• Effects of Initial Flow on Close-In Planet Atmospheric Circulation, astro-ph

Posted by Keith Cowing at 4:41 PM | Permalink | Comments (0)

• New, Ancient Way Of Making Oxygen Discovered, io9
• Nitrite-driven anaerobic methane oxidation by oxygenic bacteria, Nature
• Microbes thrive in harsh, Mars-like lakes, New Scientist

Posted by Keith Cowing at 3:09 PM | Permalink | Comments (0)

• Methane-Making Microbes Thrive Under the Ice, US News & World Report
• The planetary system host HR 8799: On its lambda Bootis nature, astro-ph
• International Team of Scientists Reports Discovery of a New Planet

Posted by Keith Cowing at 9:42 PM | Permalink | Comments (0)

• Exo-planet found in balmy orbit - is it Avatar's Pandora?, USA Today
• A Warm Jupiter: A Newfound Exoplanet Bears a Resemblance to the Solar System's Own Worlds, Scientific American
• NASA finds shrimp under Antarctic ice, Washington Post
• A Common Proper Motion Companion to the Exoplanet Host 51 Pegasi, astro-ph
• Experiments on the Photophoretic Motion of Chondrules and Dust Aggregates - Indications for the Transport of Matter in Protoplanetary Disks, astro-ph

Posted by Keith Cowing at 2:48 PM | Permalink | Comments (0)

• Search for Extraterrestrial Intelligence (SETI) -- 25 years and counting, USA Today
• Getting WISE About Nemesis, NASA
• Searching for alien life in California's Mono Lake, Weird Fresno

Posted by Keith Cowing at 9:16 AM | Permalink | Comments (0)

• Evaporation of the planet HD189733b observed in HI Lyman-alpha, astro-ph
• HAT-P-14b: A 2 Jupiter-mass exoplanet transiting a bright F star, astro-ph
• Spin-Orbit Alignment of the TrES-4 Transiting Planetary System and Possible Additional Radial Velocity Variation, astro-ph

Posted by Keith Cowing at 9:18 AM | Permalink | Comments (0)

• Transit Observations of the WASP-10 System, astro-ph
• Long-term Evolution of Protostellar and Protoplanetary Disks. I. Outbursts, astro-ph
• Long-term Evolution of Protostellar and Protoplanetary Disks. II. Layered Accretion with Infall, astro-ph

Posted by Keith Cowing at 9:19 AM | Permalink | Comments (0)

• Claire Light's Chapbook Investigates Surreal Crimes of Astrobiology, io9
• Orbital migration of low-mass planets in evolutionary radiative models: Avoiding catastrophic infall, astro-ph
• Could the Mono Lake arsenic prove there is a shadow biosphere?, Times Online
• Antarctica's Tunguska Event, Discovery Now

Posted by Keith Cowing at 8:46 PM | Permalink | Comments (0)

• Spitzer Spectroscopy of the Transition Object TW Hya, astro-ph
• Forming Low Mass Stars and Brown Dwarfs in Protoplanetary Disks of Very Massive Stars, astro-ph
• Educated search for transiting habitable planets. Targetting M dwarfs with known transiting planets, astro-ph
• The Spitzer search for the transits of HARPS low-mass planets - I. No transit for the super-Earth HD 40307b, astro-ph
• WASP-12b as a prolate, inflated and disrupting planet from tidal dissipation, astro-ph
• Planetary eclipse mapping of CoRoT-2a. Evolution, differential rotation, and spot migration, astro-ph
• Bacterial survival in Martian conditions, astro-ph

Posted by Keith Cowing at 11:58 AM | Permalink | Comments (0)

• Bacterial survival in Martian conditions
• Planetary eclipse mapping of CoRoT-2a. Evolution, differential rotation, and spot migration
• Starry Messages: Searching for Signatures of Interstellar Archaeology

Posted by Keith Cowing at 9:49 PM | Permalink | Comments (0)

• A ground-based near-infrared emission spectrum of the exoplanet HD 189733b, astro-ph
• Red giants from the Pennsylvania - Torun Planet Search, astro-ph
• Clouds in the atmospheres of extrasolar planets. I. Climatic effects of multi-layered clouds for Earth-like planets and implications for habitable zones, astro-ph
• Detecting Our Martian Cousins, PhysOrg

Posted by Keith Cowing at 2:01 PM | Permalink | Comments (0)

• Tau Boo b: Hunting for reflected starlight, astro-ph
• Ground-based detection of thermal emission from the exoplanet WASP-19b, astro-ph
• Giant planet formation in the framework of the core instability model, astro-ph
• On the dynamics of multiple systems of hot super-Earths and Neptunes: Tidal circularization, resonance and the HD 40307 system, astro-ph
• Negative Ions a Positive Sign for Liquid Water in Enceladus, NASA

Posted by Keith Cowing at 12:51 PM | Permalink | Comments (0)

• Does GD 356 have a Terrestrial Planetary Companion?, astro-ph
• Detecting circumbinary planets using eclipse timing of binary stars - numerical simulations, astro-ph
• A scenario of planet erosion by coronal radiation, astro-ph
• H-band thermal emission from the 0.79-day period planet WASP-19b, astro-ph
• Tau Boo b: Hunting for reflected starlight, astro-ph

Posted by Keith Cowing at 6:20 PM | Permalink | Comments (0)

• An a priori investigation of astrophysical false positives in ground-based transiting planet surveys, astro-ph
• An ingress and a complete transit of HD 80606 b, astro-ph
• The HARPS search for southern extra-solar planets XIX. Characterization and dynamics of the GJ876 planetary system, astro-ph
• Dead Zones as Thermal Barriers to Rapid Planetary Migration in Protoplanetary Disks, astro-ph
• Debris discs and comet populations around Sun-like stars: the Solar System in context, astro-ph
• Atmospheric dynamics of Earth-like tidally locked aquaplanets, astro-ph

Posted by Keith Cowing at 2:37 PM | Permalink | Comments (0)

• The Survival of Water within Extrasolar Minor Planets, arXiv.org
• Extended High Circular Polarization in the Orion Massive Star Forming Region: Implications for the Origin of Homochirality in the Solar System, arXiv.org
• Planetesimal Accretion in Binary Systems: Could Planets Form Around Alpha Centauri B ?, arXiv.org

Posted by Keith Cowing at 11:10 PM | Permalink | Comments (0)

• A time-dependent radiative model for the atmosphere of the eccentric exoplanets, astro-ph
• M2K: I. A Jovian mass planet around the M3V star HIP79431, astro-ph
• Three Martian meteorites triple evidence for Mars life
• Scientists say dolphins should be treated as non-human persons

Posted by Keith Cowing at 9:47 PM | Permalink | Comments (0)

• The Nature of the Atmosphere of the Transiting Super-Earth GJ 1214b, astro-ph
• Discovery of the Transiting Planet Kepler-5b, astro-ph
• The Solar Nebula on Fire: A Solution to the Carbon Deficit in the Inner Solar System, astro-ph
• The SOPHIE search for northern extrasolar planets. II. A multi-planet system around HD9446, astro-ph
• Eccentricity pumping of a planet on an inclined orbit by a disc, astro-ph

Posted by Keith Cowing at 9:44 PM | Permalink | Comments (0)

• Not So Black? The Statistics of Albedo and Energy Recirculation on Hot Exoplanets, astro-ph
• Asteroseismic Investigation of Known Planet Hosts in the Kepler Field, astro-ph
• Kepler Asteroseismology Program: Introduction and First Results, astro-ph
• Kepler-7b: A Transiting Planet with Unusually Low Density, astro-ph
• Instrument Performance in Kepler's First Months, astro-ph
• Solar-like oscillations in low-luminosity red giants: first results from Kepler, astro-ph
• Initial Characteristics of Kepler Long Cadence Data For Detecting Transiting Planets, astro-ph
• Overview of the Kepler Science Processing Pipeline, astro-ph
• Kepler Mission Design, Realized Photometric Performance, and Early Science, astro-ph
• Preliminary Astrometric Results from Kepler, astro-ph
• The Kepler Pixel Response Function, astro-ph
• A Transiting Hot Jupiter Orbiting a Metal-Rich Star, astro-ph
• Selection, Prioritization, and Characteristics of Kepler Target Stars, astro-ph
• Imaging Young Planets From Ground and Space, astro-ph
• The Kepler Follow-up Observation Program, astro-ph
• Discovery of a red giant with solar-like oscillations in an eclipsing binary system from Kepler space-based photometry, astro-ph
• The Discovery of Ellipsoidal Variations in the Kepler Light Curve of HAT-P-7, astro-ph
• Photometric Variability in Kepler Target Stars: The Sun Among Stars -- A First Look, astro-ph
• Discovery and Rossiter-McLaughlin Effect of Exoplanet Kepler-8b, astro-ph
• First Kepler results on RR Lyrae stars, astro-ph
• Kepler Science Operations, astro-ph
• Near-infrared integral-field spectra of the planet/brown dwarf companion AB Pic b, astro-ph
• Tight constraints on the existence of additional planets around HD 189733, astro-ph
• The asteroseismic potential of Kepler: first results for solar-type stars, astro-ph
• Automated classification of variable stars in the asteroseismology program of the Kepler space mission, astro-ph

Posted by Keith Cowing at 12:16 AM | Permalink | Comments (0)

• Galactic Punctuated Equilibrium: How to Undermine Carter's Anthropic Argument in Astrobiology, astro-ph
• Molecular astronomy of cool stars and sub-stellar objects, astro-ph
• The Calan-Hertfordshire Extrasolar Planet Search, astro-ph
• The current population of benchmark brown dwarfs, astro-ph
• Emergence of Protoplanetary Disks and Successive Formation of Gaseous Planets by Gravitational Instability, astro-ph

Posted by Keith Cowing at 1:26 PM | Permalink | Comments (0)

• Probing the Protostellar Envelope around L1157: the Dust and Gas Connection, astro-ph
• Hot Jupiters and the evolution of stellar angular momentum, astro-ph
• A substellar component orbiting the F-star 30 Ari B, astro-ph
• News from the CoRoT Space Mission, astro-ph

Posted by Keith Cowing at 8:59 AM | Permalink | Comments (0)

• Search for extraterrestrial life gains momentum around the world, Washington post
• Formation and evolution of planetary systems: the impact of high angular resolution optical techniques, astro-ph
• Multi-band transit observations of the TrES-2b exoplanet, astro-ph

Posted by Keith Cowing at 10:31 PM | Permalink | Comments (0)

• Avatar's Moon Pandora Could Be Real, Harvard-Smithsonian Center for Astrophysics
• Waterworld Discovered Transiting a Nearby Star, Harvard-Smithsonian Center for Astrophysics
• Glint on Sunlight Confirms Liquid in Northern Lake District of Titan, NASA
• A Framework for Quantifying the Degeneracies of Exoplanet Interior Compositions, astro-ph
• A Search for Asteroids, Moons, and Rings Orbiting White Dwarfs, astro-ph
• Dust Properties of Protoplanetary Disks in the Taurus-Auriga Star Forming Region from Millimeter Wavelengths, astro-ph
• Characterizing Habitable Exo-Moons, astro-ph

Posted by Keith Cowing at 10:53 AM | Permalink | Comments (0)

• Planet formation in binary systems: A separation-dependent mechanism?, astro-ph
• Modeling the Formation of Giant Planet Cores I: Evaluating Key Processes, astro-ph
• The HARPS search for southern extrasolar planets XXI. Three new giant planets orbiting the metal-poor stars HD5388, HD181720, and HD190984, astro-ph
• A super-Earth transiting a nearby low-mass star, astro-ph

Posted by Keith Cowing at 12:12 AM | Permalink | Comments (0)

• A Super-Earth Orbiting the Nearby Sun-like Star HD 1461, astro-ph
• On the Fundamental Mass-Period Functions of Extrasolar Planets, astro-ph
• A Super-Earth and two Neptunes Orbiting the Nearby Sun-like star 61 Virginis, astro-ph
• ASTEP South: An Antarctic Search for Transiting ExoPlanets around the celestial South pole, astro-ph
• A long-period planet orbiting a nearby Sun-like star, astro-ph

Posted by Keith Cowing at 10:23 PM | Permalink | Comments (0)

• Tidal Constraints on Planetary Habitability, astro-ph
• Studying the atmosphere of the exoplanet HAT-P-7b via secondary eclipse measurements with EPOXI, Spitzer and Kepler, astro-ph
• Thermal Tides in Fluid Extrasolar Planets, astro-ph
• Response to "Concerning Thermal Tides on Hot Jupiters" (Goodman 2009; arXiv: 0901.3279), astro-ph

Posted by Keith Cowing at 10:30 PM | Permalink | Comments (0)

• Tidally Heated Terrestrial Exoplanets: Viscoelastic Response Models, astro-ph
• Giant Planets, astro-ph
• Modelling circumstellar discs with 3D radiation hydrodynamics, astro-ph
• Signatures of resonant terrestrial planets in long-period systems, astro-ph
• Detectability of extrasolar moons as gravitational microlenses, astro-ph

Posted by Keith Cowing at 2:26 PM | Permalink | Comments (0)

• Empirical Constraints on the Oblateness of an Exoplanet, astro-ph
• Short-duration lensing events: I. wide-orbit planets? free-floating low-mass objects? or high-velocity stars?, astro-ph
• Parent Stars of Extrasolar Planets. X. Lithium Abundances and vsini Revisited, astro-ph
• Radii of Rapidly-Rotating Stars, with Application to Transiting-Planet Hosts , astro-ph
• Protoplanetary disks of TTauri binaries in Orion: Prospects for planet formation, astro-ph
• Forming Planet Systems With N-Body Simulations I. Model and Statistics Comparing to Observations, astro-ph

Posted by Keith Cowing at 12:47 PM | Permalink | Comments (0)

• CoRoT-7 b: Super-Earth or Super-Io?, astro-ph
• On the existence of energetic atoms in the upper atmosphere of exoplanet HD209458b, astro-ph
• Chemical Abundances in the Externally Polluted White Dwarf GD 40: Evidence of a Rocky Extrasolar Minor Planet, astro-ph

Posted by Keith Cowing at 2:12 PM | Permalink | Comments (0)

• Protoplanetary migration in turbulent isothermal disks, astro-ph
• Nightside Pollution of Exoplanet Transit Depths, astro-ph
• A Cold Neptune-Mass Planet OGLE-2007-BLG-368Lb: Cold Neptunes Are Common, astro-ph
• Giant planet formation in stellar clusters: the effects of stellar fly-bys, astro-ph
• The LAOG-Planet Imaging Surveys, astro-ph

Posted by Keith Cowing at 2:24 PM | Permalink | Comments (0)

• Retired A Stars and Their Companions. III. Comparing the Mass-Period Distributions of Planets Around A-Type Stars and Sun-Like Stars, astro-ph
• The Interior Structure, Composition, and Evolution of Giant Planets, astro-ph
• CARMENES: Calar Alto high-Resolution search for M dwarfs with Exo-earths with a Near-infrared Echelle Spectrograph, astro-ph
• Warm gas phase chemistry as possible origin of high HDO/H2O ratios in hot and dense gases: application to inner protoplanetary discs, astro-ph

Posted by Keith Cowing at 5:37 PM | Permalink | Comments (0)

• Retired A Stars and Their Companions. III. Comparing the Mass-Period Distributions of Planets Around A-Type Stars and Sun-Like Stars, astro-ph
• The Interior Structure, Composition, and Evolution of Giant Planets, astro-ph
• CARMENES: Calar Alto high-Resolution search for M dwarfs with Exo-earths with a Near-infrared Echelle Spectrograph, astro-ph
• Warm gas phase chemistry as possible origin of high HDO/H2O ratios in hot and dense gases: application to inner protoplanetary discs, astro-ph

Posted by Keith Cowing at 12:07 AM | Permalink | Comments (0)

• Detecting and characterizing extrasolar planetary systems with astrometry: review from the Blue Dots astrometry working group, astro-ph
• Checking Stability Of Planet Orbits In Multiple-planet Systems, astro-ph

Posted by Keith Cowing at 12:04 AM | Permalink | Comments (0)

• The CRIRES Search for Planets Around the Lowest-Mass Stars. II. No Giant Planet Orbiting VB10, astro-ph
• The effect of aqueous alteration and metamorphism in the survival of presolar silicate grains in chondrites, astro-ph

Posted by Keith Cowing at 12:14 PM | Permalink | Comments (0)

• Line-profile tomography of exoplanet transits I: The Doppler shadow of HD 189733b, astro-ph
• Candidate Coronagraphic Detections of Protoplanetary Disks around Four Young Stars, astro-ph
• Colors of a Second Earth: Estimating the fractional areas of ocean, land, and vegetation of Earth-like exoplanets, astro-ph
• Fast Inversion Method for Determination of Planetary Parameters from Transit Timing Variations, astro-ph

Posted by Keith Cowing at 12:13 PM | Permalink | Comments (0)

• New Study Adds to FInding of Ancient Life Signs In Mars Meteorite, NASA
• The thermal emission of the young and massive planet CoRoT-2b at 4.5 and 8 microns, astro-ph
• Pathways Towards Habitable Moons, astro-ph
• Where can we find Super-Earths?, astro-ph

Posted by Keith Cowing at 1:38 PM | Permalink | Comments (0)

• Stellar Parameters for a Sample of Stars with Planets, astro-ph
• The Location of the Snow Line in Protostellar Disks, astro-ph
• The Sun and stars as the primary energy input in planetary atmospheres, astro-ph

Posted by Keith Cowing at 7:43 PM | Permalink | Comments (0)

• Origins of magnetite nanocrystals in Martian meteorite ALH84001, Geochimica et Cosmochimica Acta
• Tidal and Magnetic Interactions between a Hot Jupiter and its Host Star in the Magnetospheric Cavity of a Protoplanetary Disk, astro-ph
• Neutral particle release from Europa's surface, astro-ph
• The Mass of the Candidate Exoplanet Companion to HD136118 from Hubble Space Telescope Astrometry and High-Precision Radial Velocities, astro-ph

Posted by Keith Cowing at 6:47 PM | Permalink | Comments (0)

• Variations on Debris Disks II. Icy Planet Formation as a Function of the Bulk Properties and Initial Sizes of Planetesimals, astro-ph
• Enhanced lithium depletion in Sun-like stars with orbiting planets, astro-ph
• Jupiter - friend or foe? III: the Oort cloud comets, astro-ph
• Mapping the Probability of Microlensing Detection of Extra-Solar Planets, astro-ph

Posted by Keith Cowing at 6:47 PM | Permalink | Comments (0)

• Testing SETI Message Designs, astro-ph
• Studies of Expolanets and Solar Systems with SPICA, astro-ph
• Brown dwarfs forming in discs: where to look for them?, astro-ph
• Planetary Formation and Evolution Revealed with a Saturn Entry Probe: The Importance of Noble Gases, astro-ph

Posted by Keith Cowing at 2:57 PM | Permalink | Comments (0)

• Constraints on Secondary Eclipse Probabilities of Long-Period Exoplanets from Orbital Elements, astro-ph
• Target selection for the SUNS and DEBRIS surveys for debris discs in the solar neighbourhood, astro-ph
• Transit timing analysis of CoRoT-1b, astro-ph
• A Photometric Transit Search for Planets around Cool Stars from the Italian Alps: Results from a Feasibility Study, astro-ph

Posted by Keith Cowing at 6:06 PM | Permalink | Comments (0)

• Epsilon Indi Ba, Bb: a detailed study of the nearest known brown dwarfs, astro-ph
• The CRIRES Search for Planets Around the Lowest-Mass Stars. I. High-Precision Near-Infrared Radial Velocities with an Ammonia Gas Cell, astro-ph
• Atmospheric Circulation of Exoplanets, astro-ph
• Large prebiotic molecules in space: photo-physics of acetic acid and its isomers, astro-ph
• How Common are Extrasolar, Late Heavy Bombardments?, astro-ph
• Do we expect to find the Super-Earths close to the gas giants?, astro-ph

Posted by Keith Cowing at 1:19 PM | Permalink | Comments (0)

• An Efficient Method for Modeling High Magnification Planetary Microlensing Events, astro-ph
• A Spitzer Census of Transitional Protoplanetary Disks with AU-Scale Inner Holes, astro-ph
• Masses and Orbital Constraints for the OGLE-2006-BLG-109Lb,c Jupiter/Saturn Analog Planetary System, astro-ph
• ThReT: A new survey for Extrasolar Planetary transits at Mt. Holomon, Greece, astro-ph
• Exoplanet Characterization and the Search for Life, astro-ph

Posted by Keith Cowing at 9:44 PM | Permalink | Comments (0)

• Experimental evidence of water formation on interstellar dust grains, astro-ph
• Effects of Gamma Ray Bursts in Earth Biosphere, astro-ph
• Spitzer IRAC Secondary Eclipse Photometry of the Transiting Extrasolar Planet HAT-P-1b, astro-ph

Posted by Keith Cowing at 7:42 PM | Permalink | Comments (0)

• Government-sponsored SETI -- In The 1920's, OnOrbit
• When E.T. phones the pope, Washington Post
• Discovery of the Coldest Imaged Companion of a Sun-Like Star, astro-ph
• The Stability and Dynamics of Planets in Tight Binary Systems, astro-ph

Posted by Keith Cowing at 8:45 PM | Permalink | Comments (0)

• Think Global, Act Local
• Darwinian evolutionary theory will help find alien life, says Nasa scientist
• Frozen Antarctic lakes yield new viruses, Sceintific American
• Plumes on Saturn's moon may be a sign of life, USA Today
• New families of viruses found in Antarctic lakes, ars technica

Posted by Keith Cowing at 11:40 AM | Permalink | Comments (0)

• Detection of a Planetary Companion around the giant star \gam1leo, astro-ph
• Dust Processing and Mineralogy in Protoplanetary Accretion Disks, astro-ph
• Planetary Dynamics and Habitable Planet Formation In Binary Star Systems, astro-ph

Posted by Keith Cowing at 12:04 AM | Permalink | Comments (0)

• Making the Earth: Combining Dynamics and Chemistry in the Solar System, astro-ph
• Positron Annihilation on Polycyclic Aromatic Hydrocarbon molecules in the Interstellar Medium, astro-ph
• Ice chemistry in embedded young stellar objects in the Large Magellanic Cloud, astro-ph

Posted by Keith Cowing at 11:45 AM | Permalink | Comments (0)

• The Cyborg Astrobiologist
• The solar, exoplanet and cosmological lithium problems, astro-ph
• Explorations into the Viability of Coupled Radius-Orbit Evolutionary Models for Inflated Planets, astro-ph
• The Cyborg Astrobiologist: Testing a Novelty-Detection Algorithm on Two Mobile Exploration Systems at Rivas Vaciamadrid in Spain and at the Mars Desert Research Station in Utah, astro-ph

Posted by Keith Cowing at 9:26 AM | Permalink | Comments (0)

• NASA Hosts Evolution of Astrobiology Lecture, NASA ARC
• On the formation of hot Neptunes and super-Earths, astro-ph
• High-contrast coronagraph for ground-based imaging of Jupiter-like planets, astro-ph
• Metallicity, planet formation, and disc lifetimes, astro-ph
• The Dynamical Origin of the Multi-Planetary System HD45364, astro-ph

Posted by Keith Cowing at 9:56 AM | Permalink | Comments (0)

• Cessnock fossil find may help science unlock origins of life, The Herald
• How to Find Aliens? Look for Pollution on Other Planets, Discover
• Migrating Microbes, OhysOrg

Posted by Keith Cowing at 9:58 AM | Permalink | Comments (0)

• Tidal Heating Models for the Radii of the Inflated Transiting Giant Planets WASP-4b, WASP-6b, WASP-12b, and TrES-4, astro-ph
• Mean-Motion Resonances of High Order in Extrasolar Planetary Systems, astro-ph
• Pre-discovery observations of CoRoT-1b and CoRoT-2b with the BEST survey, astro-ph
• Collisional evolution of eccentric planetesimal swarms, astro-ph
• Comet dust as a mixture of aggregates and solid particles: model consistent with ground-based and space-mission results, astro-ph

Posted by Keith Cowing at 6:43 AM | Permalink | Comments (0)

• Modelling the evolution of planets in disks, astro-ph
• Direct imaging of extrasolar planets: overview of ground and space programs, astro-ph
• Formation of massive planets in binary star systems, astro-ph

Posted by Keith Cowing at 1:05 PM | Permalink | Comments (0)

• Circumstellar HI and CO around the carbon stars V1942 Sgr and V CrB, astro-ph
• Naming the extrasolar planets, astro-ph
• A Blind Search for Magnetospheric Emissions from Planetary Companions to Nearby Solar-type Stars, astro-ph

Posted by Keith Cowing at 1:04 PM | Permalink | Comments (0)

• The Orbital Evolution of Gas Giant Planets around Giant Stars, astro-ph
• Analytic Description of the Rossiter-McLaughlin Effect for Transiting Exoplanets: Cross-Correlation Method and Comparison with Simulated Data, astro-ph
• Mechanisms of jet formation on the giant planets, astro-ph
• Detecting the Wind-Driven Shapes of Extrasolar Giant Planets from Transit Photometry, astro-ph
• Dynamics and Eccentricity Formation of Planets in OGLE-06-109L System, astro-ph
• Spitzer Observations of the Lambda Orionis cluster I: the frequency of young debris disks at 5 Myr, astro-ph
• A Blind Search for Magnetospheric Emissions from Planetary Companions to Nearby Solar-type Stars, astro-ph

Posted by Keith Cowing at 11:09 AM | Permalink | Comments (0)

• Forming Jupiter, Saturn, Uranus and Neptune in Few Million Years by Core Accretion, astro-ph
• The search for exomoons and the characterization of exoplanet atmospheres, astro-ph
• The far future of exoplanet direct characterization, astro-ph
• Exoplanet Chemistry, astro-ph

Posted by Keith Cowing at 12:38 PM | Permalink | Comments (0)

• Photospheric parameters and C abundances in solar-like stars with and without planets, astro-ph
• Spectroscopic Observations of New Oort Cloud Comet 2006 VZ13 and Four Other Comets, astro-ph
• Multi-ring structure of the eclipsing disk in EE Cep - possible planets?, astro-ph
• Visible spectroscopy of the new ESO Large Program on trans-Neptunian objects and Centaurs: final results, astro-ph

Posted by Keith Cowing at 1:31 PM | Permalink | Comments (0)

• Bright optical dayside emission from extrasolar planet CoRoT-2b, astro-ph
• A transit timing analysis of seven RISE light curves of the exoplanet system HAT-P-3, astro-ph
• Scientists see water ice in fresh meteorite craters on Mars, University of Arizona
• NASA Spacecraft Sees Ice on Mars Exposed by Meteor Impacts, NASA
• NASA Instruments Reveal Water Molecules on Lunar Surface, NASA
• NASA's Spitzer Spots Clump of Swirling Planetary Material, NASA JPL
• Deep Impact Spacecraft Finds Clear Evidence of Water on Moon, University of Maryland
• Brown Scientists Announce Finding of Water on the Moon, Brown University
• New research shows water present across the moon's surface - It turns out the moon is a lot wetter than we ever thought, University of Tennessee Knoxville

Posted by Keith Cowing at 3:59 PM | Permalink | Comments (0)

• A planetary eclipse map of CoRoT-2a. Comprehensive lightcurve modeling combining rotational-modulation and transits, astro-ph
• Dust amorphization in protoplanetary disks, astro-ph
• The inner environment of protoplanetary disks with near infrared spectro-interferometry, astro-ph
• Protoplanetary gas disks in the far infrared, astro-ph

Posted by Keith Cowing at 8:26 PM | Permalink | Comments (0)

• Detection of Planetary Emission from the Exoplanet TrES-2 using Spitzer /IRAC, astro-ph
• Tohoku-Hiroshima-Nagoya planetary spectra library: A method for characterizing planets in the visible to near infrared, astro-ph
• Exoplanet Transit Database. Reduction and processing of the photometric data of exoplanet transits, astro-ph

Posted by Keith Cowing at 8:25 PM | Permalink | Comments (0)

• Massive Satellites of Close-In Gas Giant Exoplanets, astro-ph
• Construction of Coupled Period-Mass Functions in Extrasolar Planets through the Nonparametric Approach, astro-ph
• NASA Astrobiology Institute Research Reveals Major Insight into Evolution of Life on Earth

Posted by Keith Cowing at 12:05 AM | Permalink | Comments (0)

• Insights into the formation of Fe- and Mg-rich aqueous solutions on early Mars provided by the ALH 84001 carbonates
• Martian meteorite may have held life, New Scientist
• Dust Distribution in the beta Pictoris Circumstellar Disks, astro-ph

Posted by Keith Cowing at 9:31 PM | Permalink | Comments (0)

• Outward Migration of Terrestrial Embryos in Binary Systems, astro-ph
• A homogeneous spectroscopic analysis of host stars of transiting planets, astro-ph

Posted by Keith Cowing at 12:37 PM | Permalink | Comments (0)

• Giant planet migration, disk evolution, and the origin of transitional disks, astro-ph
• Detectability of Transiting Jupiters and Low-Mass Eclipsing Binaries in Sparsely Sampled Pan-STARRS-1 Survey Data, astro-ph
• Explorations Beyond the Snow Line: Spitzer/IRS Spectra of Debris Disks Around Solar-Type Stars, astro-ph
• gamma Doradus stars in the COROT exoplanets fields: first inspection, astro-ph
• Water in HD 209458b's atmosphere from 3.6 - 8 microns IRAC photometric observations in primary transit, astro-ph

Posted by Keith Cowing at 10:24 AM | Permalink | Comments (0)

• The Stability and Prospects of the Detection of Terrestrial/Habitable Planets in Multiplanet and Multiple Star Systems, astro-ph
• Extrasolar planets and brown dwarfs around A-F type stars - VII. Theta Cygni radial velocity variations: planets or stellar phenomenon?, astro-ph
• How deadly are cosmic rays?, MSNBC

Posted by Keith Cowing at 10:23 AM | Permalink | Comments (0)

• LIF-Free Embryonic Stem Cell Culture in Simulated Microgravity, PLoS One
• Detrimental Effects of Microgravity on Mouse Preimplantation Development In Vitro, PLoS One
• Gravity Governs the Gecko's Strong Grip, Washington Post

Posted by Keith Cowing at 9:25 AM | Permalink | Comments (0)

• The Lifetime of Protoplanetary Disks in a Low-Metallicity Environment, astro-ph
• Water, Methane, and Carbon Dioxide Present in the Dayside Spectrum of the Exoplanet HD 209458b, astro-ph
• Dust in brown dwarfs and extra-solar planets II. Cloud formation for cosmologically evolving abundances, astro-ph
• Sensitivity of rocky planet structures to the equation of state, astro-ph
• The spin-orbit angle of CoRoT-1: evidence for a strongly misaligned hot Jupiter, astro-ph
• A new raytracer for modeling AU-scale imaging of lines from protoplanetary disks, astro-ph

Posted by Keith Cowing at 5:52 PM | Permalink | Comments (1)

• Sensitivity of rocky planet structures to the equation of state, astro-ph
• Formation, Dynamical Evolution, and Habitability of Planets in Binary Star Systems, astro-ph
• The spin-orbit angle of CoRoT-1: evidence for a strongly misaligned hot Jupiter, astro-ph
• A new raytracer for modeling AU-scale imaging of lines from protoplanetary disks, astro-ph

Posted by Keith Cowing at 9:13 AM | Permalink | Comments (0)

• AMASE 2009: Journal Entries by Adrienne Kish 13-17 August 2009
• AMASE blog 2009: Science Operation Work Group: How To Do Science With a Rover on Mars
• 2009-2010 Decadal Survey on Biological and Physical Sciences in Space
• A Look Into The Hellish Cradles of Suns and Solar Systems

Posted by Keith Cowing at 7:56 PM | Permalink | Comments (0)

• A Stellar Flare during the Transit of the Extrasolar Planet OGLE-TR-10b, astro-ph
• Short-lived spots in solar-like stars as observed by CoRoT, astro-ph
• Simulations of Winds of Weak-Lined T Tauri Stars: The Magnetic Field Geometry and The Influence of the Wind on Giant Planet Migration, astro-ph
• The Greenhouse Gas That Saved The World, University of Copenhagen

Posted by Keith Cowing at 10:46 PM | Permalink | Comments (0)

• Dust-Dust Collisional Charging and Lightning in Protoplanetary Discs, astro-ph
• Five planets and an independent confirmation of HD 196885Ab from Lick Observatory, astro-ph
• Two Exoplanets Discovered at Keck Observatory, astro-ph
• Accretion Rates of Planetesimals by Protoplanets Embedded in Nebular Gas, astro-ph
• HAT-P-7: A Retrograde or Polar Orbit, and a Second Planet, astro-ph
• First Evidence of a Retrograde Orbit of Transiting Exoplanet HAT-P-7b, astro-ph
• The Inner Rim Structures of Protoplanetary Discs, astro-ph
• Refined stellar, orbital and planetary parameters of the eccentric HAT-P-2 planetary system, astro-ph
• Planetary companions around the K giant stars 11 UMi and HD 32518, astro-ph

Posted by Keith Cowing at 11:58 AM | Permalink | Comments (0)

• The CORALIE survey for southern extrasolar planets. XVI. Discovery of a planetary system around HD 147018 and of two long period and massive planets orbiting HD 171238 and HD 204313, astro-ph
• WASP-17b: an ultra-low density planet in a probable retrograde orbit, astro-ph
• Telescopes Peer Into Storm Clouds on Saturn and Titan
• Ground-based telescope captures first visual images of storm clouds over the tropics of Saturn's largest moon
• Huge New Planet Tells of Game of Planetary Billiards

Posted by Keith Cowing at 11:01 AM | Permalink | Comments (0)

• The M dwarf planet search programme at the ESO VLT + UVES. A search for terrestrial planets in the habitable zone of M dwarfs, astro-ph
• Discovery of a close substellar companion to the hot subdwarf star HD 149382 - The decisive influence of substellar objects on late stellar evolution, astro-ph
• AMASE blog - August 6: Athena (FIDO) rocks!, AMASE
• AMASE blog - August 8: Science in NyAlesund , AMASE
• AMASE blog - August 9: Lance arriving , AMASE
• Violent Stellar Youth Steers The Course of Life's Genesis, ESO
• Mars, Methane, and Mysteries, ESA

Posted by Keith Cowing at 12:00 AM | Permalink | Comments (0)

• The Pulsar Planets: A Test Case of Terrestrial Planet Assembly, astro-ph
• Formation of the Terrestrial Planets from a Narrow Annulus, astro-ph
• Saturn's Titan: A strict test for life's cosmic ubiquity, astro-ph
• On the eccentricity of self-gravitating circumstellar disks in eccentric binary systems, astro-ph
• Spitzer Observations of Spacecraft Target 162173 (1999 JU3), astro-ph

Posted by Keith Cowing at 9:06 AM | Permalink | Comments (0)

• Sub-Saturn Planet MOA-2008-BLG-310Lb: Likely To Be In The Galactic Bulge, astro-ph
• AMASE 2009: Day 1: Arrival At Svalbard
• Reconciling Methane Variations on Mars, ESA
• AMASE 2009 expedition takes off in the Arctic

Posted by Keith Cowing at 8:06 AM | Permalink | Comments (0)

• Exoplanetary Transit Constraints Based Upon Secondary Eclipse Observations, astro-ph
• A primordial origin for the atmospheric methane of Saturn's moon Titan, astro-ph
• LCROSS Looks Back at Earth

Posted by Keith Cowing at 12:45 AM | Permalink | Comments (0)

• A binary engine fuelling HD87643' s complex circumstellar environment, using AMBER/VLTI
• Transiting exoplanets from the CoRoT space mission VIII. CoRoT-7b: the first Super-Earth with measured radius
• WASP-16b: A new Jupiter-like planet transiting a southern solar analog

Posted by Keith Cowing at 8:35 AM | Permalink | Comments (0)

• Extreme Magnification Microlensing Event OGLE-2008-BLG-279: Strong Limits on Planetary Companions to the Lens Star, astro-ph
• NASA Announces Briefing About Kepler's Early Science Results, NASA
• Nickel isotope may be methane producing microbe biomarker, Pennsylvania State University
• New microchip Technology Performs 1,000 Chemical Reactions at Once, UCLA

Posted by Keith Cowing at 9:31 PM | Permalink | Comments (0)

• Determination of the Interior Structure of Transiting Planets in Multiple-Planet Systems, astro-ph
• A Substellar Companion in a 1.3 yr Nearly-circular Orbit of HD 16760, astro-ph
• Planetary transit candidates in COROT-IRa01 field, astro-ph
• Experimental evidence for water formation via ozone hydrogenation on dust grains at 10 K, astro-ph
• Benefits of Ground-Based Photometric Follow-Up for Transiting Extrasolar Planets Discovered with Kepler and CoRoT, astro-ph
• Heating of near-Earth objects and meteoroids due to close approaches to the Sun, astro-ph

Posted by Keith Cowing at 8:33 AM | Permalink | Comments (0)

• Mass measurement of a single unseen star and detection efficiency to low mass planets for OGLE 2007-BLG-050
• High-precision photometry by telescope defocussing. II. The transiting planetary system WASP-4
• On the horseshoe drag of a low-mass planet. II Migration in adiabatic disks

Posted by Keith Cowing at 12:30 PM | Permalink | Comments (0)

• Evidence for condensed-phase methane enhancement over Xanadu on Titan, astro-ph
• Star and protoplanetary disk properties in Orion's suburbs, astro-ph
• How Enceladus got its stripes, UNiversity of Melbourne

Posted by Keith Cowing at 4:28 PM | Permalink | Comments (0)

• Planetesimal and Protoplanet Dynamics in a Turbulent Protoplanetary Disk: Ideal Unstratified Disks, astro-ph
• Order statistics and heavy-tail distributions for planetary perturbations on Oort cloud comets, astro-ph
• CoRoT's view of newly discovered B-star pulsators: results for 358 candidate B pulsators from the initial run's exoplanet field data, astro-ph

Posted by Keith Cowing at 1:36 PM | Permalink | Comments (0)

• The secondary eclipse of CoRoT-1b, astro-ph
• Radio Interferometric Planet Search I: First Constraints on Planetary Companions for Nearby, Low-Mass Stars from Radio Astrometry, astro-ph
• Systemic: A Testbed For Characterizing the Detection of Extrasolar Planets. I. The Systemic Console Package, astro-ph
• On the Apparent Orbital Inclination Change of the Extrasolar Transiting Planet TrES-2b, astro-ph
• A grid of polarization models for Rayleigh scattering planetary atmospheres, astro-ph

Posted by Keith Cowing at 12:18 PM | Permalink | Comments (0)

• Debris disc stirring by secular perturbations from giant planets, astro-ph
• Observational Window Functions in Planet Transit Surveys, astro-ph
• NASA Scientists Dive Deep to Learn More about Life on the Moon, Mars, NASA

Posted by Keith Cowing at 11:50 PM | Permalink | Comments (0)

• Methane-eating Microbes Use Iron and Manganese Oxides to Breathe, Pennsylvania State University
• Explosive growth of life on Earth fueled by early greening of planet, Arizona State University
• Video: DeepWorker submersible at Pavilion Lake, Pavillion Lake Research Project
• Astronaut Mike Gernhardt: Flying a submersible - just like riding a bicycle, Pavillion Lake Research Project

Posted by Keith Cowing at 8:10 PM | Permalink | Comments (0)

• Target star catalog for Darwin: Nearby Stellar sample for a search for terrestrial planets, astro-ph
• NUV radii of the extrasolar planet HD 209458b, astro-ph
• Orbital Evolution of a Particle Interacting with a Single Planet in a Protoplanetary Disk, astro-ph

Posted by Keith Cowing at 2:58 PM | Permalink | Comments (0)

• Cometary airbursts and atmospheric chemistry: Tunguska and a candidate Younger Dryas event, astro-ph
• Morphological record of oxygenic photosynthesis in conical stromatolites, PNAS
• Dust retention in protoplanetary disks, astro-ph
• The circumstellar disc in the Bok globule CB 26: Multi-wavelength observations and modelling of the dust disc and envelope, astro-ph
• Probing the Impact of Stellar Duplicity on Planet Occurrence, astro-ph

Posted by Keith Cowing at 8:25 AM | Permalink | Comments (0)

• Global circulation as the main source of cloud activity on Titan, astro-ph
• Impact of aerosols present in Titan's atmosphere on the CASSINI radar experiment, astro-ph
• Solar-like oscillations with low amplitude in the CoRoT target HD 181906, astro-ph

Posted by Keith Cowing at 5:21 PM | Permalink | Comments (0)

• Phoenix Mission Research Points to Martian Climate Cycles, University of Arizona
• NASA Phoenix Results Point to Martian Climate Cycles, NASA
• Collisional Stripping and Disruption of Super-Earths, astro-ph
• The CN isotopic ratios in comets, astro-ph
• Extreme coronagraphy with an adaptive hologram Simulations of exo-planet imaging, astro-ph
• Oligarchic planetesimal accretion and giant planet formation II, astro-ph

Posted by Keith Cowing at 12:11 PM | Permalink | Comments (0)

• Ground-Based Photometric Searches for Transiting Planets
• On the Relationship Between Debris Disks and Planets

Posted by Keith Cowing at 10:58 AM | Permalink | Comments (0)

• Exomoon simulations, astro-ph
• Cassini/VIMS hyperspectral observations of the HUYGENS landing site on Titan, astro-ph
• Constraining the orbit of the possible companion to Beta Pictoris: New deep imaging observations, astro-ph
• Spin-orbit misalignment in the HD80606 planetary system, astro-ph

Posted by Keith Cowing at 4:05 PM | Permalink | Comments (0)

• Spin-orbit misalignement for the transiting planet HD 80606b, astro-ph
• Initial Conditions of Planet Formation: Lifetimes of Primordial Disks, astro-ph
• New constraints on the delivery of cometary water and nitrogen to Earth from the 15N/14N isotopic ratio, astro-ph

Posted by Keith Cowing at 4:06 PM | Permalink | Comments (0)

• The Frequency of Low-mass Exoplanets, astro-ph
• DNA Nucleobase Synthesis at Titan Atmosphere Analog by Soft X-rays, J. Phys. Chem.
• Solar X-rays may create DNA building blocks on Titan, New Scientist

Posted by Keith Cowing at 6:39 PM | Permalink | Comments (0)

• The Mars Gravity Biosatellite Program Is Closing Down
• Salt Finding from NASA's Cassini Hints at Ocean within Saturn Moon, NASA
• New Instrument Could Detect Water Underground on Mars, SWRI
• Numerical simulations of disc-planet interactions, astro-ph
• GJ 3236: a new bright, very low-mass eclipsing binary system discovered by the MEarth observatory, astro-ph
• Dynamical Models of Terrestrial Planet Formation, astro-ph
• Circumstellar Disk Evolution: Constraining Theories of Planet Formation, astro-ph

Posted by Keith Cowing at 10:43 AM | Permalink | Comments (0)

• Transit mapping of a starspot on CoRoT-2 - Probing a stellar surface by planetary transits, astro-ph
• Imaging search for the unseen companion to Eps Ind A -- Improving the detection limits with 4 micron observations, astro-ph
• A Tentative Detection of a Starspot During Consecutive Transits of an Extrasolar Planet from the Ground: No Evidence of a Double Transiting Planet System Around TrES-1, astro-ph

Posted by Keith Cowing at 3:20 PM | Permalink | Comments (0)

• Solar System Analogs Around IRAS-Discovered Debris Disks, astro-ph
• A Massive Substellar Companion to the Massive Giant HD 119445, astro-ph
• General Analysis of Type I Planetary Migration with Stochastic Perturbations, astro-ph
• How stellar activity affects the size estimates of extrasolar planets, astro-ph

Posted by Keith Cowing at 2:23 PM | Permalink | Comments (0)

• Cosmic Rays: A Review for Astrobiologists, Astrobiology
• Why Is the Definition of Life So Elusive? Epistemological Considerations, Astrobiology
• Preservation of Biological Markers in Clasts Within Impact Melt Breccias from the Haughton Impact Structure, Devon Island, Astrobiology
• Isotopic Composition of Methane and Inferred Methanogenic Substrates Along a Salinity Gradient in a Hypersaline Microbial Mat System, Astrobiology
• A Cryptoendolithic Community in Volcanic Glass, Astrobiology
• OSETI with STACEE: A Search for Nanosecond Optical Transients from Nearby Stars, Astrobiology
• Effects of a Spaceflight Environment on Heritable Changes in Wheat Gene Expression, Astrobiology
• The Search for Alien Life in Our Solar System: Strategies and Priorities, Astrobiology

Posted by Keith Cowing at 8:55 PM | Permalink | Comments (0)

• A SuperWASP search for additional transiting planets in 24 known systems, astro-ph
• Tools for discovering and characterizing extrasolar planets, astro-ph
• From gas to satellitesimals: disk formation and evolution, astro-ph

Posted by Keith Cowing at 10:39 AM | Permalink | Comments (0)

• Speckle Suppression Through Dual Imaging Polarimetry, and a Ground-Based Image of the HR 4796A Circumstellar Disk, astro-ph
• The long wavelength emission of interstellar PAHs: characterizing the spinning dust emission, astro-ph
• Episodic formation of cometary material in the outburst of a solar-like young star, astro-ph

Posted by Keith Cowing at 3:05 PM | Permalink | Comments (0)

• Effects of Mutual Transits by Extrasolar Planet-Companion Systems on Light Curves, astro-ph
• Eleven Exoplanet Host Star Angular Diameters from the CHARA Array, astro-ph

Posted by Keith Cowing at 8:33 PM | Permalink | Comments (0)

• Deciphering Spectral Fingerprints of Habitable Extrasolar Planets, astro-ph
• Structure and evolution of pre-main sequence circumstellar disks, astro-ph
• Robot on a Tether Targets The Mysteries of the Deep, Washington Post

Posted by Keith Cowing at 10:59 AM | Permalink | Comments (0)

• Searching for Antarctic Microbes with Antifreeze and Bombs, Popular Science
• Long odds on space viruses seeding life, New Scientist
• The New Exoplanetology: “I Learned by Watching You, Earth”, Wired
• Paul Davies studies possibilities of life beyond Earth, Earth & Sky
• Earth's Bombardment by Asteroids 3.9 Billion Years Ago May Have Enhanced Early Life, Says CU Study, CSU

Posted by Keith Cowing at 12:00 AM | Permalink | Comments (0)

• The Long Shot (Searching for Planets Orbiting Alpha Centauri), Seed
• Radio Telescope Images Reveal Planet-forming Disk Orbiting Twin Suns
• New cleaning protocol for future 'search for life' missions
• Found in Transit, NY Times
• First extragalactic exoplanet may have been found, New Scientist
• Earth's transmission spectrum from lunar eclipse observations, Nature
• Planetary atmospheres key in search for extraterrestrial life, Astronomy Now
• International Study Using a Lunar Eclipse Could Aid Search for Life in the Universe
• New Definition Could Further Limit Habitable Zones Around Distant Suns

Posted by Keith Cowing at 7:31 PM | Permalink | Comments (0)

• The Role of Planet Accretion in Creating the Next Generation of Red Giant Rapid Rotators
• Search for Life on Exoplanets: Toward an International Institutional Coordination
• Stellar coronal magnetic fields and star-planet interaction
• Tidal Limits to Planetary Habitability
• Substellar-mass companions to the K-dwarf BD +14 4559 and the K-giants HD 240210 and BD +20 2457

Posted by Keith Cowing at 9:21 AM | Permalink | Comments (0)

• Science with the Virtual Observatory: the AstroGrid VO Desktop, astro-ph
• M Star Astrosphere Size Fluctuations and Habitable Planet Descreening, astro-ph
• Planet Shadows in Protoplanetary Disks. II: Observable Signatures, astro-ph
• Real-time optical spectroscopy of VUV irradiated pyrene:H_2O interstellar ice, astro-ph

Posted by Keith Cowing at 11:33 AM | Permalink | Comments (0)

• The discovery of new warm debris disks around F-type stars, astro-ph
• On radial motion of dense environments and objects in protoplanitary-like disks, astro-ph

Posted by Keith Cowing at 11:33 AM | Permalink | Comments (0)

• Gifts from Exoplanetary Transits, astro-ph
• Constraining the Porosities of Interstellar Dust Grains, astro-ph
• The dynamical role of the circumplanetary disc in planetary migration, astro-ph

Posted by Keith Cowing at 10:34 AM | Permalink | Comments (0)

• Spitzer/IRAC Limits to Planetary Companions of Fomalhaut and epsilon Eridani, astro-ph
• Stellar Aspects of Habitability: Characterizing Target Stars for Terrestrial Planet Search Missions, astro-ph
• An Ultracool Star's Candidate Planet, astro-ph
• A Third Planet Orbiting HIP 14810, astro-ph
• Earthshine observations of an inhabited planet, astro-ph

Posted by Keith Cowing at 6:12 PM | Permalink | Comments (0)

• Astronomers Seek New Home Closer to Home, Washington Post
• Space rock yields carbon bounty, BBC
• Improved Measurement of the Rossiter-McLaughlin Effect in the Exoplanetary System HD 17156, astro-ph
• Exploring Antarctica's Lake Bonney - ENDURANCE robot dives into ice-covered lake, NSF
• Robot offers new views of marine environment around McMurdo, Antarctica, NSF

Posted by Keith Cowing at 5:32 AM | Permalink | Comments (0)

• Formation of Water in the Warm Atmospheres of Protoplanetary Disks, astro-ph
• VLT transit and occultation photometry for the bloated planet CoRoT-1b, astro-ph
• A transit timing analysis of nine RISE light curves of the exoplanet system TrES-3, astro-ph
• A possible architecture of the planetary system HR 8799, astro-ph

Posted by Keith Cowing at 1:24 AM | Permalink | Comments (0)

• Two-fluid Instability of Dust and Gas in the Dust Layer of a Protoplanetary Disk
• Synthetic photometry for carbon rich giants, I. Hydrostatic dust-free models

Posted by Keith Cowing at 6:04 AM | Permalink | Comments (0)

• Detection of orbital parameter changes in the TrES-2 exoplanet ?
• The evidence for and against astronomical impacts on climate change and mass extinctions: A review

Posted by Keith Cowing at 6:05 AM | Permalink | Comments (0)

• The Sun in Time: Age, Rotation, and Magnetic Activity of the Sun and Solar-type Stars and Effects on Hosted Planets, astro-ph
• Orbits and Masses of the Satellites of the Dwarf Planet Haumea = 2003 EL61, astro-ph
• Imaging faint brown dwarf companions close to bright stars with a small, well-corrected telescope aperture, astro-ph

Posted by Keith Cowing at 2:13 PM | Permalink | Comments (0)

• Stability of additional planets in and around the habitable zone of the HD 47186 Planetary System, astro-ph
• Anachronistic Grain Growth and Global Structure of the Protoplanetary Disk Associated with the Mature Classical T Tauri Star, PDS 66, astro-ph
• Simulations for Terrestrial Planets Formation, astro-ph

Posted by Keith Cowing at 11:34 AM | Permalink | Comments (0)

• Venus clouds 'might harbour life', BBC
• Simulations for Terrestrial Planets Formation, astro-ph
• Anachronistic Grain Growth and Global Structure of the Protoplanetary Disk Associated with the Mature Classical T Tauri Star, PDS 66, astro-ph

Posted by Keith Cowing at 11:32 AM | Permalink | Comments (0)

• Primordial Circumstellar Disks in Binary Systems: Evidence for Reduced Lifetimes, astro-ph
• International Year of Astronomy Invited Review on Exoplanets, astro-ph
• Experimental evidence for water formation on interstellar dust grains by hydrogen and oxygen atoms, astro-ph

Posted by Keith Cowing at 6:27 PM | Permalink | Comments (0)

• The NASA/IPAC/NExScI Star and Exoplanet Database, astro-ph


• Bridging the Gap Between Stars and Planets: The Formation and Early Evolution of Brown Dwarfs, astro-ph


• Unstable Planetary Systems Emerging Out Of Gas Disks, astro-ph


• The Transit Light Curve Project. XII. Six Transits of the Exoplanet XO-2b, astro-ph

Posted by Keith Cowing at 3:48 PM | Permalink | Comments (0)

• Formation and Detection of Earth Mass Planets around Low Mass Stars, astro-ph
• Planetesimals to Protoplanets II: Effect of Debris on Terrestrial Planet Formation, astro-ph

Posted by Keith Cowing at 3:47 PM | Permalink | Comments (0)

• An analysis of the transit times of CoRoT-Exo-1b, astro-ph
• H band Image of a Planetary Companion around HR 8799 in 2002, astro-ph
• Heavy Element Enrichment of a Jupiter-mass Protoplanet as a Function of Orbital Location, astro-ph
• Aliens among us? ASU prof aims to find out, East Valley Tribune

Posted by Keith Cowing at 9:41 PM | Permalink | Comments (0)

• Interstellar Dust Models and Evolutionary Implications, astro-ph
• Atmospheric Sulfur Photochemistry on Hot Jupiters, astro-ph
• Evidence for a lost population of close-in exoplanets, astro-ph
• Noise properties of the CoRoT data: a planet-finding perspective, astro-ph

Posted by Keith Cowing at 1:07 PM | Permalink | Comments (0)

• Hot debris dust around HD 106797, astro-ph
• Detection of a tertiary brown dwarf companion in the sdB-typ e eclipsing binary HS 0705+6700, astro-ph
• The Brown Dwarf-Exoplanet Connection, astro-ph

Posted by Keith Cowing at 12:15 AM | Permalink | Comments (0)

• A Search for Multi-Planet Systems Using the Hobby-Eberly Telescope, astro-ph
• Tidal Decay and circularization of the orbits of Short-Period planets, astro-ph
• Formation of PAHs and Carbonaceous Solids in Gas-Phase Condensation Experiments, astro-ph
• New brown dwarf candidates in the Pleiades, astro-ph
• Observational evidence for dust growth in proto-planetary discs, astro-ph

Posted by Keith Cowing at 2:49 PM | Permalink | Comments (0)

• MARVELS: Revealing the Formation and Dynamical Evolution of Giant Planet Systems, astro-ph
• The lost siblings of the Sun, astro-ph
• Social Networking: An astronomer's field guide, astro-ph

Posted by Keith Cowing at 11:47 AM | Permalink | Comments (0)

• New Discoveries in Planetary Systems and Star Formation through Advances in Laboratory Astrophysics, astro-ph
• A Keck HIRES Doppler Search for Planets Orbiting Metal-Poor Dwarfs. II. On the Frequency of Giant Planets in the Metal-Poor Regime, astro-ph

Posted by Keith Cowing at 11:02 AM | Permalink | Comments (0)

• Discovering and Characterizing the Planetary Systems of Nearby Stars: The scientific need for medium aperture space coronagraph observations, astro-ph
• Detecting Transits of Planetary Companions to Giant Stars, astro-ph
• The Dynamical Architecture and Habitable Zones of the Quintuplet Planetary System 55 Cancri, astro-ph
• Photometric and spectroscopic detection of the primary transit of the 111-day-period planet HD 80606 b, astro-ph

Posted by Keith Cowing at 8:01 PM | Permalink | Comments (0)

• Seeing another Earth: Detecting and Characterizing Rocky Planets with Extremely Large Telescopes, astro-ph
• Thermosphere and exosphere of Hot-Jupiters, astro-ph
• Plasma Astrophysics Problems in Star and Planet Formation, astro-ph
• Radial velocity follow-up for confirmation and characterization of transiting exoplanets, astro-ph

Posted by Keith Cowing at 9:31 AM | Permalink | Comments (0)

• Formation, Survival, and Detectability of Planets Beyond 100 AU, astro-ph
• The Formation and Evolution of Planetary Systems: The Search for and Characterization of Young Planets, astro-ph
• Astronomers Unveiling Life's Cosmic Origins
• NASA Ames Scientists Discuss if Earth is the Only Habitable Planet
• How an Antarctic worm makes antifreeze and what that has to do with climate change
• Carbon Acts Like Rustoleum Around Hydrothermal Vents
• Antarctic Expedition Prepared Researchers for Mars Project
• Engineering technology pinpoints earliest signs of animal life

Posted by Keith Cowing at 10:54 AM | Permalink | Comments (0)

• How and When do Planets Form? The Inner Regions of Planet Forming Disks at High Spatial and Spectral Resolution, astro-ph
• Relative photometry of transiting exoplanet CoRoT-Exo-2b, astro-ph
• Toward the End of Stars: Discovering the Galaxy's Coldest Brown Dwarfs, astro-ph

Posted by Keith Cowing at 12:08 AM | Permalink | Comments (0)

• Wide Field Imager in Space for Dark Energy and Planets, astro-ph
• Binarity of Transit Host Stars - Implications on Planetary Parameters, astro-ph
• Detection and Characterization of Planetary Systems with $\mu$as Astrometry, astro-ph
• Local Linear Analysis of Interaction between a Planet and Viscous Disk and an Implication on Type I Planetary Migration, astro-ph

Posted by Keith Cowing at 10:33 AM | Permalink | Comments (0)

• Determination of Lethality Rate Constants and D-Values for Bacillus atrophaeus (ATCC 9372) Spores Exposed to Dry Heat from 115 deg C to 170 deg C
• Isolation of rpoB Mutations Causing Rifampicin Resistance in Bacillus subtilis Spores Exposed to Simulated Martian Surface Conditions
• Fossilized Microorganisms from the Emperor Seamounts: Implications for the Search for a Subsurface Fossil Record on Earth and Mars
• A Revised, Hazy Methane Greenhouse for the Archean Earth
• Inorganic Nitrogen Reduction and Stability under Simulated Hydrothermal Conditions
• A Case for Ancient Springs in Arabia Terra, Mars
• Short- and Long-Term Olivine Weathering in Svalbard: Implications for Mars
• Novel Sfp1 Transcriptional Regulation of Saccharomyces cerevisiae Gene Expression Changes During Spaceflight
• Astrobiological Polarimeter

Posted by Keith Cowing at 12:00 AM | Permalink | Comments (0)

• Near-infrared transit photometry of the exoplanet HD 149026b, astro-ph
• A Study of the Accuracy of Mass-Radius Relationships for Silicate-Rich and Ice-Rich Planets up to 100 Earth Masses, astro-ph

Posted by Keith Cowing at 11:59 AM | Permalink | Comments (0)

• Non-Detection of Polarized, Scattered Light from the HD 189733b Hot Jupiter, astro-ph, astro-ph
• On the protection of extrasolar Earth-like planets around K/M stars against galactic cosmic rays, astro-ph

Posted by Keith Cowing at 12:38 PM | Permalink | Comments (0)

• HD45364, a pair of planets in a 3:2 mean motion resonance, astro-ph
• Science with a lunar low-frequency array: from the dark ages of the Universe to nearby exoplanets

Posted by Keith Cowing at 1:14 PM | Permalink | Comments (0)

• True polar wander driven by late-stage volcanism and the distribution of paleopolar deposits on Mars, astro-ph
• Terrestrial planet formation in low eccentricity warm-Jupiter systems, astro-ph
• Long-wavelength observations of debris discs around sun-like stars, astro-ph

Posted by Keith Cowing at 1:12 PM | Permalink | Comments (0)

• Strong Water Absorption in the Dayside Emission Spectrum of the Planet HD 189733b, astro-ph
• Time-resolved spectroscopy of the planet-hosting sdB pulsator V391 Pegasi, astro-ph
• On the Completeness of Reflex Astrometry on Extrasolar Planets near the Sensitivity Limit, astro-ph

Posted by Keith Cowing at 10:06 PM | Permalink | Comments (0)

• The Transit Light Curve Project. XI. Submillimagnitude Photometry of Two Transits of the Bloated Planet WASP-4b, astro-ph
• A Substantial Dust Disk Surrounding an Actively Accreting First-Ascent Giant Star, astro-ph
• The NASA-UC Eta-Earth Program: I. A Super-Earth Orbiting HD 7924, astro-ph
• Global MHD simulations of stratified and turbulent protoplanetary discs. II. Dust settling, astro-ph
• Carbon isotope measurements in the Solar System, astro-ph
• The planet-hosting subdwarf B star V391 Pegasi is a hybrid pulsator, astro-ph
• Chemical Yields from Supernovae and Hypernovae, astro-ph

Posted by Keith Cowing at 12:28 PM | Permalink | Comments (0)

• The architecture of the GJ876 planetary system. Masses and orbital coplanarity for planets b and c, astro-ph
• Whilst this Planet Has Gone Cycling On: What Role for Periodic Astronomical Phenomena in Large Scale Patterns in the History of Life?, astro-ph
• Exoplanet research with SAFARI: A far-IR imaging spectrometer for SPICA, astro-ph

Posted by Keith Cowing at 7:30 AM | Permalink | Comments (0)

• Interpreting the yield of transit surveys: Are there groups in the known transiting planets population?

Posted by Keith Cowing at 7:28 AM | Permalink | Comments (0)

• Secondary radio eclipse of the transiting planet HD 189733 b: an upper limit at 307-347 MHz, astro-ph
• High-Dispersion Spectroscopic Study of Solar Twins: HIP 56948, HIP 79672, and HIP 100963, astro-ph
• Did life begin in a pool of acidic gloop?, New Scientist

Posted by Keith Cowing at 9:36 AM | Permalink | Comments (0)

• The chemical diversity of comets, astro-ph
• The CoRoT satellite in flight : description and performance, astro-ph
• On the width and shape of the corotation region for low-mass planets, astro-ph

Posted by Keith Cowing at 10:46 AM | Permalink | Comments (0)

• Discovery of Methane Reveals Mars Is Not A Dead Planet, NASA
• Ground-based secondary eclipse detection of the very-hot Jupiter OGLE-TR-56b, astro-ph
• Ground-based K-band detection of thermal emission from the exoplanet TrES-3b, astro-ph
• Exoplanets - search methods, discoveries, and prospects for astrobiology, astro-ph
• VLT/NACO coronagraphic observations of fine structures in the disk of beta Pictoris, astro-ph
• Falling Transiting Extrasolar Giant Planets, astro-ph

Posted by Keith Cowing at 2:21 PM | Permalink | Comments (0)

• MBM 12: young protoplanetary discs at high galactic latitude, astro-ph
• The HD 40307 Planetary System: Super-Earths or Mini-Neptunes?, astro-ph
• The "Living with a Red Dwarf" Program, astro-ph

Posted by Keith Cowing at 7:05 AM | Permalink | Comments (0)

• On the various origins of close-in extrasolar planets, astro-ph
• Planet formation bursts at the borders of the dead zone in 2D numerical simulations of circumstellar disks, astro-ph
• Worlds Beyond: A Strategy for the Detection and Characterization of Exoplanets Executive Summary of a Report of the ExoPlanet Task Force Astronomy and Astrophysics Advisory Committee Washington, DC June 23, 2008, Astrobiology
• Biosignatures in Ancient Rocks: A Summary of Discussions at a Field Workshop on Biosignatures in Ancient Rocks, Astrobiology
• The Possible Origin and Persistence of Life on Enceladus and Detection of Biomarkers in the Plume, Astrobiology
• The 2005 MARTE Robotic Drilling Experiment in Rio Tinto, Spain: Objectives, Approach, and Results of a Simulated Mission to Search for Life in the Martian Subsurface, Astrobiology
• Design and Practices for Use of Automated Drilling and Sample Handling in MARTE While Minimizing Terrestrial and Cross Contamination, Astrobiology
• Science Results from a Mars Drilling Simulation (Rio Tinto, Spain) and Ground Truth for Remote Science Observations, Astrobiology
• SOLID2: An Antibody Array-Based Life-Detector Instrument in a Mars Drilling Simulation Experiment (MARTE), Astrobiology
• The MARTE VNIR Imaging Spectrometer Experiment: Design and Analysis, Astrobiology
• The Subsurface Geology of Rio Tinto: Material Examined During a Simulated Mars Drilling Mission for the Mars Astrobiology Research and Technology Experiment (MARTE), Astrobiology
• Underground Habitats in the Rio Tinto Basin: A Model for Subsurface Life Habitats on Mars, Astrobiology
• Visible-Near Infrared Point Spectrometry of Drill Core Samples from Rio Tinto, Spain: Results from the 2005 Mars Astrobiology Research and Technology, Astrobiology

Posted by Keith Cowing at 12:21 AM | Permalink | Comments (0)

• Abundances of the elements in the solar system, astro-ph
• Directly Determined Linear Radii and Effective Temperatures of Exoplanet Host Stars, astro-ph
• The Earth as an extrasolar planet: The vegetation spectral signature today and during the last Quaternary climatic extrema, astro-ph
• NASA Science Update to Discuss Mars Atmosphere Activity

Posted by Keith Cowing at 11:16 PM | Permalink | Comments (0)

• HAT-P-11b: A Super-Neptune Planet Transiting a Bright K Star in the Kepler Field, astro-ph
• Transit Timing Observations of the Extrasolar Hot-Neptune Planet GL 436b, astro-ph
• The DODO Survey II: A Gemini Direct Imaging Search for Substellar and Planetary Mass Companions around Nearby Equatorial and Northern Hemisphere White Dwarfs, astro-ph
• Dead Stars Tell Story of Planet Birth, NASA
• Baby Jupiters Must Gain Weight Fast, HSCFA
• Jupiter-like Planets Could Form Around Twin Suns, RIT
• NASA-Funded Study Reveals Hazards of Severe Space Weather, NASA

Posted by Keith Cowing at 12:59 AM | Permalink | Comments (0)

• Origin of Europa and the Galilean Satellites, astro-ph
• Searching the heavens for life, CNet
• CSI Younger Dryas: did a comet kill the mammoths?, Arizona Geology

Posted by Keith Cowing at 8:36 AM | Permalink | Comments (0)

• High Inclination Planets in Multistellar Systems, astro-ph
• Photometric Follow-up Observations of the Transiting Neptune-Mass Planet GJ 436b, astro-ph

Posted by Keith Cowing at 11:56 AM | Permalink | Comments (0)

• Where did Venus's water go?, ESA
• Abrupt Climate Change: Will It Happen this Century?, USGS
• Watching water from space could aid disease prevention in China, OSU
• Water detected at record distance with the Effelsberg 100 m radio telescope, MPI
• NASA Mars Reconnaissance Orbiter Scientists Find 'Missing' Mineral and Clues to Mars Mysteries, NASA
• The First High-Precision Radial Velocity Search for Extra-Solar Planets, astro-ph
• Eccentricity modulation of a close-in planet by a companion - application to GJ 436 system, astro-ph
• WASP-12b: The hottest transiting planet yet discovered, astro-ph
• How Interstellar Chemistry (and Astrochemistry More Generally) Became Useful, astro-ph

Posted by Keith Cowing at 12:31 AM | Permalink | Comments (0)

• RAPID: A fast, high resolution, flux-conservative algorithm designed for planet-disk interactions, astro-ph
• Nucleosynthetic osmium isotope anomalies in acid leachates of the Murchison meteorite, astro-ph
• Equilibria in the secular, non-coplanar two-planet system, astro-ph
• Spitzer Planet Limits around the Pulsating White Dwarf GD66, astro-ph

Posted by Keith Cowing at 12:16 AM | Permalink | Comments (0)

• Rock Varnish: A Promising Habitat for Martian Bacteria, Planetary Science Institute
• Phoenix Site on Mars May Be in Dry Climate Cycle Phase
• Looking for Extraterrestrial Life in all the Right Places, Ohio State University
• Dynamical Simulations of the Planetary System HD69830, astro-ph
• Analytical Solutions for Radiative Transfer: Implications for Giant Planet Formation by Disk Instability, astro-ph
• The multiplicity of exoplanet host stars - New low-mass stellar companions of the exoplanet host stars HD125612 and HD212301, astro-ph
• Anisotropic winds from close-in extra-solar planets, astro-ph

Posted by Keith Cowing at 12:07 AM | Permalink | Comments (0)

• Phoenix Site on Mars May Be in Dry Climate Cycle Phase, NASA
• Saturn's Dynamic Moon Enceladus Shows More Signs of Activity, NASA

Posted by Keith Cowing at 11:36 PM | Permalink | Comments (0)

• Improved parameters for the transiting hot Jupiters WASP-4b and WASP-5b, astro-ph
• The extrasolar planet atmosphere and exosphere: Emission and transmission spectroscopy, astro-ph

Posted by Keith Cowing at 11:39 PM | Permalink | Comments (0)

• Ten New and Updated Multi-planet Systems, and a Survey of Exoplanetary Systems, astro-ph
• The HARPS search for southern extra-solar planets. XVII. Super-Earth and Neptune-mass planets in multiple planet systems HD47186 and HD181433, astro-ph
• Modelling solar-like variability for the detection of Earth-like planetary transits. II) Performance of the three-spot modelling, harmonic function fitting, iterative non-linear filtering and sliding boxcar filtering, astro-ph
• Ocean worlds may be dying stars' last haven for life, New Scientist
• MIT finds the universe's faintest stars, MIT
• NASA/ESA Hubble Space Telescope Finds Carbon Dioxide on an Extrasolar Planet, NASA/ESA

Posted by Keith Cowing at 8:01 PM | Permalink | Comments (0)

• NASA Hubble Space Telescope Finds Carbon Dioxide on an Extrasolar Planet, NASA
• Expected Planet and False Positive Detection Rates for the Transiting Exoplanet Survey Satellite
• Empirical evidence for tidal spin-up in transiting planetary systems

Posted by Keith Cowing at 10:41 AM | Permalink | Comments (0)

• Habitability of Super-Earth Planets around Other Suns: Models including Red Giant Branch Evolution, astro-ph
• Dynamical Tides in Rotating Planets and Stars, astro-ph
• HATNet Field G205: Follow-Up Observations of 28 Transiting-Planet candidates and Confirmation of the Planet HAT-P-8b, astro-ph
• Rock and Roil: Meteorites Hitting Early Earth's Oceans May Have Helped Spawn Life, Scientific American

Posted by Keith Cowing at 12:10 AM | Permalink | Comments (0)

• Disk Winds Driven by Magnetorotational Instability and Dispersal of Proto-Planetary Disks, astro-ph
• Hunting new Earths and the edge of the universe, New Scientist
• Search for alien engineering comes up dry - so far, New Scientist
• Simulating Mars on Earth, NASA
• Caltech Researchers Find Ancient Climate Cycles Recorded in Mars Rocks, Caltech
• Students Discover Unique Planet, ESO

Posted by Keith Cowing at 1:59 PM | Permalink | Comments (0)

• Effects of scattering and dust grain size on the temperature structure of protoplanetary discs: A three-layer approach, astro-ph
• Characterization of the HD 17156 planetary system, astro-ph
• Type I Planet Migration in Nearly Laminar Disks, astro-ph

Posted by Keith Cowing at 4:54 PM | Permalink | Comments (0)

• Stability of the directly imaged multiplanet system HR 8799: resonance and masses, astro-ph
• A Smaller Radius for the Transiting Exoplanet WASP-10b, astro-ph
• Identifying the Potential Biosphere of Mars, astro-ph
• Carbon isotope fractionation in protoplanetary disks, astro-ph

Posted by Keith Cowing at 10:08 AM | Permalink | Comments (0)

• Rapid Formation of Icy Super-Earths and the Cores of Gas Giant Planets, astro-ph
• The Upper Atmosphere of HD17156b, astro-ph

Posted by Keith Cowing at 12:48 PM | Permalink | Comments (0)

• The sdB+M Eclipsing System HW Virginis and its Circumbinary Planets, astro-ph
• Stellar activity of planetary host star HD 189733, astro-ph
• First detection of glycolaldehyde outside the Galactic Center, astro-ph

Posted by Keith Cowing at 12:47 PM | Permalink | Comments (0)

• On the origin of eccentricities among extrasolar planets, astro-ph
• A probable giant planet imaged in the Beta Pictoris disk, astro-ph
• Silica in Protoplanetary Disks, astro-ph
• Dust Processing and Grain Growth in Protoplanetary Disks in the Taurus-Auriga Star-Forming Region, astro-ph

Posted by Keith Cowing at 12:00 AM | Permalink | Comments (0)

• Homogeneous studies of transiting extrasolar planets. II. Physical properties
• Beta Pictoris planet finally imaged?, ESO
• NASA Mars Reconnaissance Orbiter Spacecraft Detects Buried Glaciers on Mars, NASA
• New life beneath sea and ice, European Science Foundation
• Comet particles provide glimpse of solar system's birth spasms, University of Chicago

Posted by Keith Cowing at 8:47 PM | Permalink | Comments (0)

• Why the universe may be teeming with aliens, New Scientist
• Homogeneous studies of transiting extrasolar planets. II. Physical properties, astro-ph
• NASA Mars Reconnaissance Orbiter Spacecraft Detects Buried Glaciers on Mars, NASA
• Radar Sounding Evidence for Buried Glaciers in the Southern Mid-Latitudes of Mars, Science

Posted by Keith Cowing at 9:53 PM | Permalink | Comments (0)

• New SETI Sky Surveys for Radio Pulses, astro-ph
• Exoplanets from the CHEPS: Discovery of the Double Planet System HD191760, astro-ph
• Lithium abundances in exoplanet-host stars : modelling, astro-ph
• Planets in Stellar Clusters Extensive Search. V. Search for planets and identification of 18 new variable stars in the old open cluster NGC 188, astro-ph

Posted by Keith Cowing at 12:18 AM | Permalink | Comments (0)

• What can we learn on protoplanetary disks from the analysis of mid-infrared carbonaceous dust emission?, astro-ph
• MMT/AO 5 micron Imaging Constraints on the Existence of Giant Planets Orbiting Fomalhaut at ~13-40 AU, astro-ph
• A search for wide brown dwarf companions to stars within 10pc, astro-ph
• Diversity among other worlds: characterization of exoplanets by direct detection, astro-ph
• Direct Imaging of Multiple Planets Orbiting the Star HR 8799, astro-ph
• Mars Before the Space Age, astro-ph
• A Resolved Ring of Debris Dust Around the Solar Analog HD 107146, astro-ph

Posted by Keith Cowing at 11:12 AM | Permalink | Comments (0)

• Fomalhaut's Debris Disk and Planet: Constraining the Mass of Fomalhaut b From Disk Morphology, astro-ph
• Optical Images of an Exosolar Planet 25 Light Years from Earth, astro-ph
• Empirical Constraints on Trojan Companions and Orbital Eccentricities in 25 Transiting Exoplanetary Systems, astro-ph

Posted by Keith Cowing at 6:50 PM | Permalink | Comments (0)

• The X-Ray Environment During the Epoch of Terrestrial Planet Formation: Chandra Observations of h Persei, astro-ph
• Six White Dwarfs with Circumstellar Silicates, astro-ph
• On the habitability of the OGLE-2006-BLG-109L planetary system, astro-ph

Posted by Keith Cowing at 6:51 PM | Permalink | Comments (0)

• The Chirality Of Life: From Phase Transitions To Astrobiology, astro-ph
• On the habitability of the OGLE-2006-BLG-109L planetary system, astro-ph

Posted by Keith Cowing at 3:13 PM | Permalink | Comments (0)

• Discovery of a Low-Mass Companion to the Solar-Type Star TYC 2534-698-1, astro-ph
• Life's Boiling Point, NASA

Posted by Keith Cowing at 10:34 AM | Permalink | Comments (0)