• 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)

• Digging Into the Surface of the Icy Dwarf Planet Eris, astro-ph
• 55 Cancri: A Laboratory for Testing Numerous Conjectures about Planet Formation, astro-ph

Posted by Keith Cowing at 4:48 PM | Permalink | Comments (0)

• The Minimum Jeans Mass, Brown Dwarf Companion IMF, and Predictions for Detection of Y-type Dwarfs, astro-ph
• Magnetic activity in the photosphere of CoRoT-Exo-2a. Active longitudes and short-term spot cycle in a young Sun-like star, astro-ph
• Kelu-1 AB - A possible brown dwarf triple system, astro-ph
• Dynamical masses for the nearest brown dwarf binary: Epsilon Indi Ba, Bb, astro-ph

Posted by Keith Cowing at 1:16 PM | Permalink | Comments (0)

• Low Mass Companions for Five Solar-Type Stars from the Magellan Planet Search Program, astro-ph
• Transit infrared spectroscopy of the hot neptune around GJ 436 with the Hubble Space Telescope, astro-ph

Posted by Keith Cowing at 1:27 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
• Cold Storage for Alien Organisms

Posted by Keith Cowing at 1:54 PM | Permalink | Comments (0)

• CoRoT Measures Solar-Like Oscillations and Granulation in Stars Hotter Than the Sun, Science
• Epsilon Indi Ba, Bb: a spectroscopic study of the nearest known brown dwarfs, astro-ph
• The mass-radius relationship from solar-type stars to terrestrial planets: a review, astro-ph
• Resolved debris disk emission around eta Tel: a young Solar System or ongoing planet formation?, astro-ph

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

• Variability of the methane trapping in martian subsurface clathrate hydrates, astro-ph
• A slowly accreting ~10 Myr old transitional disk in Orion OB1a, astro-ph
• Effects of accretion flow on the chemical structure in the inner regions of protoplanetary disks, astro-ph
• The HARPS search for southern extra-solar planets XVII. Six long-period giant planets around BD -17 0063, HD 20868, HD 73267, HD 131664, HD 145377, HD 153950, astro-ph
• The Transit Light Curve Project. X. A Christmas Transit of HD 17156b, astro-ph
• The BAST algorithm for transit detection, astro-ph

Posted by Keith Cowing at 10:22 AM | Permalink | Comments (0)

• Solar System's Young Twin Has Two Asteroid Belts, Harvard-Smithsonian Center for Astrophysics
• Epsilon Eridani's Planetary Debris Disk: Structure and Dynamics based on Spitzer and CSO Observations, astro-ph
• Variability of the methane trapping in martian subsurface clathrate hydrates, astro-ph

Posted by Keith Cowing at 10:21 AM | Permalink | Comments (0)

• Planetary microlensing signals from the orbital motion of the source star around the common barycentre, astro-ph
• Mean Motion Resonances in Extrasolar Planetary Systems with Turbulence, Interactions, and Damping, astro-ph
• First-year students explore extraterrestrial life, UQ News
• Penn State Receives New NASA Astrobiology Grant, Penn State

Posted by Keith Cowing at 11:03 AM | Permalink | Comments (0)

• Mean Motion Resonances in Extrasolar Planetary Systems with Turbulence, Interactions, and Damping, astro-ph
• NASA Spaceline 26 September 2008 Current Space Life Science Awareness
• NASA Spaceline 19 September 2008 Current Space Life Science Awareness

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

• The statistics of accelerations seen in radial velocity searches for planets, astro-ph
• Dust in the inner regions of debris disks around A stars, astro-ph
• Abundance Stratification of Exoplanet Host Stars, astro-ph

Posted by Keith Cowing at 10:18 PM | Permalink | Comments (0)

• Spatially resolved 4.7 $\mu$m CO fundamental emission in two protoplanetary disks, astro-ph
• Modification of Angular Velocity by Inhomogeneous MRI Growth in Protoplanetary Disks, astro-ph
• New methods for large dynamical range problems in planetary formation, astro-ph
• Photochemical enrichment of deuterium in Titan's atmosphere: new insights from Cassini-Huygens, astro-ph
• Updated parameters for the transiting exoplanet WASP-3b using RISE, a new fast camera for the Liverpool Telescope, astro-ph
• Infrared Spectroscopy and Analysis of Brown Dwarf and Planetary Mass Objects in the Orion Nebula Cluster, astro-ph

Posted by Keith Cowing at 12:46 AM | Permalink | Comments (0)

• The Detectability of Exo-Earths and Super-Earths Via Resonant Signatures in Exozodiacal Clouds, astro-ph
• Time evolution of the line emission from the inner circumstellar ring of SN 1987A and its hot spots, astro-ph

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

• NASA Supercomputer Shows How Dust Rings Point to Exo-Earths, NASA
• Tides Have Major Impact on Planet Habitability, University of Arizona
• Formation, evolution and multiplicity of brown dwarfs and giant exoplanets, astro-ph
• The Effect of Lunar-like Satellites on the Orbital Infrared Light Curves of Earth-analog Planets, astro-ph
• A Numerical Testbed for Hypotheses of Extraterrestrial Life and Intelligence, astro-ph

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

• Telescope Tech Will Speed Search for Extraterrestrial Life, Wired
• Core instability models of giant planet accretion II: forming planetary systems, astro-ph
• Rotational Line Emission from Water in Protoplanetary Disksastro-ph
• Tribute to John F. Lindsay, Astrobiology
• Introduction, Astrobiology
• The NASA Astrobiology Roadmap, Astrobiology
• Discovery of a New Chert-Permineralized Microbiota in the Proterozoic Buxa Formation of the Ranjit Window, Sikkim, Northeast India, and Its Astrobiolo, Astrobiology
• Silicifying Biofilm Exopolymers on a Hot-Spring Microstromatolite: Templating Nanometer-Thick Laminae, Astrobiology
• Amino Acids from Ion-Irradiated Nitrile-Containing Ices, Astrobiology
• Using Electrical Impedance Spectroscopy to Detect Water in Planetary Regoliths, Astrobiology
• Experiment LEND of the NASA Lunar Reconnaissance Orbiter for High-Resolution Mapping of Neutron Emission of the Moon, Astrobiology
• Hairy Blobs: Microbial Suspects Preserved in Modern and Ancient Extremely Acid Lake Evaporites, Astrobiology
• Was There a Late Archean Biospheric Explosion?, Astrobiology
• Stable Iron Isotopes and Microbial Mediation in Red Pigmentation of the Rosso Ammonitico (Mid-Late Jurassic, Verona Area, Italy), Astrobiology
• Fluorescence Microscopy as a Tool for In Situ Life Detection, Astrobiology

Posted by Keith Cowing at 12:35 AM | Permalink | Comments (0)

• Selection Functions in Doppler Planet Searches, astro-ph
• A Planet in a 0.6-AU Orbit Around the K0 Giant HD 102272, astro-ph
• A Distance-Limited Imaging Survey of Sub-Stellar Companions to Solar Neighborhood Stars, astro-ph

Posted by Keith Cowing at 10:14 PM | Permalink | Comments (0)

• Transiting exoplanets from the CoRoT space mission VI. CoRoT-Exo-3b: The first secure inhabitant of the brown-dwarf desert, astro-ph
• IAU Planet Definition: Some Confusions and Their Modifications, astro-ph
• Formation and Evolution of Planetary Systems (FEPS): Properties of Debris Dust around Solar-type Stars, astro-ph

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

• COROT discovery stirs exoplanet classification rethink, ESA
• Rock Offers Mirror-Image Clues to Life's Origins, Washington Post
• Cassini Flyby of Saturn Moon to offer Insight into Solar System History, University of Michigan
• NASA Cassini Plans Doubleheader Flybys of Saturn's Geyser Moon Enceladus, NASA

Posted by Keith Cowing at 10:52 PM | Permalink | Comments (0)

• Clathration of Volatiles in the Solar Nebula and Implications for the Origin of Titan's atmosphere, astro-ph
• Stellar wobble caused by a binary system: Can it really be mistaken as an extra-solar planet?, astro-ph
• Saturn Forms by Core Accretion in 3.4 Myr, astro-ph

Posted by Keith Cowing at 1:55 PM | Permalink | Comments (0)

• Independent discovery and refined parameters of XO-5b: a hot Jupiter transiting a moderately faint star, astro-ph
• The Atmospheres of Extrasolar Planets, astro-ph
• The sub-Jupiter mass transiting exoplanet WASP-11b, astro-ph
• A New Spectroscopic and Photometric Analysis of the Transiting Planet Systems TrES-3 and TrES-4, astro-ph

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

• A New Spectroscopic and Photometric Analysis of the Transiting Planet Systems TrES-3 and TrES-4, astro-ph
• The sub-Jupiter mass transiting exoplanet WASP-11b, astro-ph
• The Atmospheres of Extrasolar Planets, astro-ph

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

• On the variability of HD 170699 - a possible COROT target, astro-ph
• ESA White paper: Atmospheric modeling: Setting Biomarkers in context, astro-ph
• Gas Evolution in Protoplanetary Disks, astro-ph

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

• Deep MMT Transit Survey of the Open Cluster M37 IV: Limit on the Fraction of Stars With Planets as Small as 0.3 R_J, astro-ph
• Extrasolar planets and brown dwarfs around A-F type stars V. A planetary system found with HARPS around the F6IV-V star HD 60532, astro-ph
• The structure of the protoplanetary disk surrounding three young intermediate mass stars. II. Spatially resolved dust and gas distribution, astro-ph
• Cryptic photosynthesis, Extrasolar planetary oxygen without a surface biological signature, astro-ph

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

• Mean motion resonances from planet-planet scattering, astro-ph
• A Young Planet Search in Visible and IR Light: DN Tau, V836 Tau, and V827 Tau, astro-ph
• A comparison of chemistry and dust cloud formation in ultracool dwarf model atmospheres, astro-ph
• Water in the Near IR spectrum of Comet 8P/Tuttle, astro-ph
• The Growth & Migration of Jovian Planets in Evolving Protostellar Disks with Dead Zone, astro-ph

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

• RISE: a fast-readout imager for exoplanet transit timing, astro-ph
• Comet Dust Reveals Unexpected Mixing of Solar System, University of Wisconsin-Madison
• As Andean glacier retreats, tiny life forms swiftly move in, CU-Boulder study shows, University of Colorado
• VLT instrument hints at the presence of planets in young gas discs, European Southern Observatory

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

• Microlensing Event MOA-2007-BLG-400: Exhuming the Buried Signature of a Cool, Jovian-Mass Planet
• Observing Strategies for the NICI Campaign to Directly Image Extrasolar Planets
• Valley networks on Mars formed during long period of episodic flooding, study finds, University of California Santa Cruz 

Posted by Keith Cowing at 9:01 PM | Permalink | Comments (0)

• On the chemical evolution of the Milky Way, astro-ph
• Scattering matrices and expansion coefficients of Martian analogue palagonite particles, astro-ph

Posted by Keith Cowing at 9:00 PM | Permalink | Comments (0)

• TiO and VO broad band absorption features in the optical spectrum of the atmosphere of the hot-Jupiter HD209458b, astro-ph
• Atmospheric circulation of hot Jupiters: Coupled radiative-dynamical general circulation model simulations of HD 189733b and HD 209458b, astro-ph
• The eccentric behavior of inclined binary minor planets, astro-ph

Posted by Keith Cowing at 10:36 PM | Permalink | Comments (0)

• The Signature of the Ice Line and Modest Type I Migration in the Observed Exoplanet Mass-Semimajor Axis Distribution, astro-ph
• New Observations and a Possible Detection of Parameter Variations in the Transits of Gliese 436b, astro-ph
• Atmospheric Circulation of Hot Jupiters: A Shallow Three-Dimensional Model, astro-ph
• Meteorites and the physico-chemical conditions in the early solar nebula, astro-ph
• Discovery of lake-effect clouds on Titan, astro-ph
• Planetary Transits and Tidal Evolution, astro-ph

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

• Discovery of lake-effect clouds on Titan, astro-ph
• Direct Imaging and Spectroscopy of a Planetary Mass Candidate Companion to a Young Solar Analog, astro-ph
• Carriers of the mid-IR emission bands in PNe reanalysed. Evidence of a link between circumstellar and interstellar aromatic dust, astro-ph
• The 5.25 & 5.7 $\mu$m Astronomical Polycyclic Aromatic Hydrocarbon Emission Features, astro-ph
• Water, O2 and Ice in Molecular Clouds, astro-ph

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

• Formation of Jupiter and Conditions for Accretion of the Galilean Satellites, astro-ph
• Next Mars Soil Scoop Slated for Last of Lander's Wet Lab Cells, NASA
• Unique animal species can survive in space, Swedish Research Foundation

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

• Late Ordovician geographic patterns of extinction compared with simulations of astrophysical ionizing radiation damage, astro-ph
• Two Jupiter-Mass Planets Orbiting HD 154672 and HD 205739, astro-ph
• 'Water bears' are first animal to survive vacuum of space, New Scientist

Posted by Keith Cowing at 6:00 PM | Permalink | Comments (0)

• Placing the Deep Impact Mission into Context: Two Decades of Observations of 9P/Tempel 1 from McDonald Observatory, astro-ph
• The formation of planetary disks and winds: an ultraviolet view, astro-ph
• Natural Transfer of Viable Microbes in Space from Planets in the Extra-Solar Systems to a Planet in our Solar System and Vice-Versa, astro-ph

Posted by Keith Cowing at 10:16 AM | Permalink | Comments (0)

• Using SPICA Space Telescope to characterize Exoplanets, astro-ph
• What do stars tell us about planets? Asteroseismology of exoplanet-host stars, astro-ph
• On the structure of the Sun and alpha Centauri A and B in the light of seismic and non-seismic constraints, astro-ph
• The Masses of Transition Circumstellar Disks: Observational Support for Photoevaporation Models, astro-ph
• A Jupiter-like Planet Orbiting the Nearby M Dwarf GJ832, astro-ph
• CoRoT and stellar activity: preliminary results from the modelling of CoRoT-Exo-2a, astro-ph

Posted by Keith Cowing at 1:02 PM | Permalink | Comments (0)

• Atmospheric composition and structure of HD209458b, astro-ph
• Complex Organic Materials in the HR 4796A Disk?, astro-ph
• Tentative Detection of the Rotation of Eris, astro-ph
• PAHs in Comets: An Overview, astro-ph

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

• Exoplanet characterization with long slit spectroscopy, astro-ph
• New composite models of partially ionized protoplanetary disks, astro-ph
• Lithium depletion and the rotational history of exoplanet host stars, astro-ph
• Only in The News; A LPN exclusive: LPHS biology teacher learns lesson in Northwest Territory

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

• On The Origins Of Eccentric Close-in Planets, astro-ph
• ASTID Funds 15 New Projects, NASA

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

• A dynamical perspective on additional planets in 55 Cancri
• Evidence for Correlations Between Nuclear Decay Rates and Earth-Sun Distance

Posted by Keith Cowing at 10:29 PM | Permalink | Comments (0)

• The moderate magnetic field on the flare star Proxima Centauri, astro-ph
• A New Atmospheric Model for HD 189733 b, astro-ph

Posted by Keith Cowing at 9:20 AM | Permalink | Comments (0)

• Worlds Beyond: A Strategy for the Detection and Characterization of Exoplanets, astro-ph
• Tidal Heating of Terrestrial Extra-Solar Planets and Implications for their Habitability, astro-ph
• Core Formation in Giant Gaseous Protoplanets, astro-ph

Posted by Keith Cowing at 6:15 PM | Permalink | Comments (0)

• Planets without metal cores may be bad for life, New Scientist
• The Nordic Invasion: Astrobiology Magazine, European Edition, Astrobiology magazine
• Cracking the Question of Extraterrestrial Life, University of Idaho

Posted by Keith Cowing at 5:54 PM | Permalink | Comments (0)

• A Possible Icy Kuiper Belt around HD 181327, astro-ph
• TW Hydrae: evidence of stellar spots instead of a Hot Jupiter, astro-ph

Posted by Keith Cowing at 8:03 AM | Permalink | Comments (0)

• Estimating stellar rotation from starspot detection during planetary transits
• NASA AMASE 2008: Great Whales o' Fire!
• NASA AMASE 2008: Day 5 - Better Living Through Caffeination
• NASA AMASE 2008: Day 5 - Sailboat Libra Arrives and Day One of SOWG

Posted by Keith Cowing at 8:02 AM | Permalink | Comments (0)

• Origin and Evolution of Earth: Research Questions for a Changing Planet, National Research Council
• Ancient Bacteria Uses Arsenic to Grow, USGS
• NASA AMASE 2008: Day 4: A Good Field Day
• NASA AMASE 2008: Day 4: Pan's Entry

Posted by Keith Cowing at 1:45 PM | Permalink | Comments (0)

• Constraining Orbital Parameters Through Planetary Transit Monitoring, astro-ph
• The Atmospheric Signatures of Super-Earths: How to Distinguish Between Hydrogen-Rich and Hydrogen-Poor Atmospheres, astro-ph
• Coreless Terrestrial Exoplanets, astro-ph
• Ranges of Atmospheric Mass and Composition of Super Earth Exoplanets, astro-ph
• Transiting Exoplanets with JWST, astro-ph

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

• The Stuff of Life on Titan, Astrobiology Magazine
• NASA AMASE 2008: Day 3: Ice Cores Return and Field Instruments
• NASA AMASE 2008: Day 3: Pan's Entry
• NASA AMASE 2008: Day 3: AMASEry Goodness to Date

Posted by Keith Cowing at 9:28 PM | Permalink | Comments (0)

• Planetary systems around close binary stars: the case of the very dusty, Sun-like, spectroscopic binary BD+20 307, astro-ph
• Soil Studies Continue at Phoenix Mars Lander Site, NASA

Posted by Keith Cowing at 9:09 PM | Permalink | Comments (0)

• Emergent Exoplanet Flux: Review of the Spitzer Results, astro-ph
• Gas disks to gas giants: Simulating the birth of planetary systems, astro-ph
• "Hairy Blobs:" Microbial Suspects Preserved in Modern and Ancient Extremely Acid Lake Evaporites, Astrobiology
• Amphibian Nitrate Stress as an Additional Terrestrial Threat from Astrophysical Ionizing Radiation Events?, Astrobiology
• Bringing Martian Samples to Earth-- Preparations Outlined in Journal Astrobiology, Astrobiology

Posted by Keith Cowing at 12:58 AM | Permalink | Comments (0)

• The TEXES Survey For H2 Emission From Protoplanetary Disks, astro-ph

Posted by Keith Cowing at 11:57 PM | Permalink | Comments (0)

• World Summit on Ancient Microscopic Fossils, NASA NAI
• Reading Archaean Biosignatures, NASA NAI
• Martian Clays Tell Story of a Wet Past, SETI INstitute
• New computer simulations show how special the solar system is
• Universally Speaking, Earthlings Share a Nice Neighborhood, NSF
• NASA Cassini Prepares for Flyby of Enceladus, NASA
• NASA Blog: Enceladus August Flyby Preview, NASA

Posted by Keith Cowing at 2:30 PM | Permalink | Comments (0)

• On the equilibrium rotation of Earth-like extra-solar planets, astro-ph
• Primordial Mars Resembled Primordial Earth, Wired
• Uncommon Earth, Science News

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

• Disks around Brown Dwarfs in the Sigma Orionis Cluster, astro-ph

Posted by Keith Cowing at 10:04 AM | Permalink | Comments (0)

• Cassini confirms liquid surface on Titan, ESA
• NASA Phoenix Lander Spacecraft Analyzing Martian Soil Data, NASA
• NASA Mars Phoenix Data More Negative On Potential For Life, Aviation Week

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

• Measuring accurate transit parameters, astro-ph
• NASA Spacecraft Confirms Martian Water, Mission Extended, NASA
• White House Briefed On Potential For Mars Life, Aviation Week

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

• Extraterrestrial Terraforming Starts With Bacteria, Wired
• NASA ROSES-08 Amendment 22: New ROSES Dues Dates for Program Elements impacted by the unplanned unavailability of NSPIRES, NASA
• Ancient Footprints in the Salt, NASA
• Life, the Universe and Everything: Ask an Astrobiologist, Wired
• Coupling convectively driven atmospheric circulation to surface rotation: Evidence for active methane weather in the observed spin rate drift of Titan, astro-ph
• Searching for the secondary eclipse of CoRoT-Exo-2b and its transit timing variations, astro-ph
• TEST - The Tautenburg Exoplanet Search Telescope, astro-ph

Posted by Keith Cowing at 10:32 AM | Permalink | Comments (0)

• Habitable Climates: The Influence of Obliquity, astro-ph
• Extrasolar Planet Eccentricities from Scattering in the Presence of Residual Gas Disks, astro-ph
• The Formation and Evolution of Planetary Systems: Description of the Spitzer Legacy Science Database, astro-ph
• Disk Truncation and Planet Formation in gamma Cephei, astro-ph

Posted by Keith Cowing at 10:28 AM | Permalink | Comments (0)

• Deep L' and M-band Imaging for Planets Around Vega and epsilon Eridani, astro-ph
• Precise Astrometry of Visual Binaries with Adaptive Optics. A Way for Finding Exoplanets?, astro-ph

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

• The Distribution, Excitation and Formation of Cometary Molecules: Methanol, Methyl Cyanide and Ethylene Glycol, astro-ph

Posted by Keith Cowing at 12:49 PM | Permalink | Comments (0)

• Transiting exoplanets from the CoRoT space mission V. CoRoT-Exo-4b: Stellar and planetary parameters, astro-ph
• Photoevaporation of Protoplanetary Disks, astro-ph
• New M dwarf debris disk candidates in NGC 2547, astro-ph

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

• Color Gradients Detected in the HD 15115 Circumstellar Disk, astro-ph
• Search for Alien Life Gains New Impetus, Washington Post
• Barely Alive, Seafloor Microbes Might Resemble Exo-Organisms, Wired
• Microbes beneath sea floor genetically distinct, Penn State

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

• Tunguska catastrophe: Evidence of acid rain supports meteorite theory, Helmholtz Association of German Research Centres
• Phoenix Mars Lander Rasps Frozen Layer, Collects Sample, NASA
• NASA's Phoenix Mars Lander to Begin Rasping Frozen Layer, NASA
• New Findings Show Diverse, Wet Environments on Ancient Mars, Jons Hopkins University
• Wavefront error correction and Earth-like planet detection by Self-Coherent Camera in space, astro-ph
• Planetpol polarimetry of the exoplanet systems 55 Cnc and tau Boo, astro-ph

Posted by Keith Cowing at 12:20 AM | Permalink | Comments (0)

• On the complementarity of astrometric and radial velocity exoplanet observations - Determining exoplanet mass with astrometric snapshots, astro-ph
• Transits and secondary eclipses of HD 189733 with Spitzer, astro-ph
• Signals from an Infant Earth, Astrobiology Magazine

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

• Towards the Albedo of an Exoplanet: MOST Satellite Observations of Bright Transiting Exoplanetary Systems, astro-ph

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

• Cloudy Atmosphere of the Extra-solar Planet HD189733b : A Possible Explanation of the Detected B-band Polarization, astro-ph
• Evaporation of extrasolar planets, astro-ph
• Accretion and destruction of planetesimals in turbulent disks, astro-ph
• High Spatial Resolution Mid-IR Imaging of V838 Monocerotis: Evidence of New Circumstellar Dust Creation, astro-ph

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

• Hot super-Earths could host life after all, New Scientist

Posted by Keith Cowing at 9:29 AM | Permalink | Comments (0)

• Determination of stellar, orbital and planetary parameters using complete Monte-Carlo analysis -- the case of HAT-P-7b, astro-ph
• Reflected light from 3D exoplanetary atmospheres and simulation of HD 209458b, astro-ph
• Overview of the SIM PlanetQuest Light (SIM-Lite) mission concept, astro-ph

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

• Toward detection of terrestrial planets in the habitable zone of our closest neighbor: Proxima Centauri, astro-ph
• An interferometric study of the low-mass protostar IRAS 16293-2422: small scale organic chemistry, astro-ph

Posted by Keith Cowing at 11:49 AM | Permalink | Comments (0)

• The MEarth project: searching for transiting habitable super-Earths around nearby M-dwarfs, astro-ph
• Induced Kozai Migration and Formation of Close-in Planets in Binaries, astro-ph
• Stable chaos in the 55Cnc exoplanetary system?, astro-ph
• Dynamics of small bodies in planetary systems, astro-ph
• Extrasolar Giant Planets and X-ray Activity, astro-ph

Posted by Keith Cowing at 9:15 AM | Permalink | Comments (0)

• Deep-sea Discoveries on Expedition Using NASA Astrobiology ASTEP AUVs, astro-ph
• The Impact of Transiting Planet Science on the Next Generation of Direct-Imaging Planet Searches, astro-ph
• Long-Term Evolution in Transit Duration of Extrasolar Planets from Magnetic Activity in their Parent Stars, astro-ph
• Organic Matter in Space - an Overview, astro-ph
• Searching for transit timing variations in transiting exoplanet systems, astro-ph
• Time-dependent CO depletion during the formation of protoplanetary disks, astro-ph

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

• Explosive volcanism on the ultraslow-spreading Gakkel ridge, Arctic Ocean, Nature
• Open clusters like Orion have low fertility rate, University of California Berkeley
• Fifteen students launch into space research internship at National Space Biomedical Research Institute

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

• SuperLupus: A Deep, Long Duration Transit Survey, astro-ph
• Measurements of Stellar Properties through Asteroseismology: A Tool for Planet Transit Studies, astro-ph
• Identifying Transiting Circumbinary Planets, astro-ph
• Collisional and Thermal Emission Models of Debris Disks: Towards Planetesimal Population Properties, astro-ph
• Type II Migration: Varying Planet Mass and Disc Viscosity, astro-ph

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

• Transit Detection of Radial Velocity Planets, astro-ph
• Transiting Planets - Lightcurve Analysis for Eccentric Orbits, astro-ph
• Laboratory evidence for efficient water formation in interstellar ices, astro-ph
• Did newborn Earth harbour life?, New Scientist
• Aussie diamonds a clue to life birth, The Australian

Posted by Keith Cowing at 12:23 AM | Permalink | Comments (0)

• 'Brain breathalysers' may scan astronauts for stress, New Scientist

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

• Direct Detection of the Close Companion of Polaris with the Hubble Space Telescope, astro-ph
• GD 552: a cataclysmic variable with a brown dwarf companion?, astro-ph

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

• The HARPS search for southern extra-solar planets. XIII. A planetary system with 3 Super-Earths (4.2, 6.9, & 9.2 Earth masses)
• Optimal strategies of radial velocity observations in planet search surveys
• Comparing the performance of stellar variability filters for the detection of planetary transits

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

• NASA Mars Phoenix Scrapes to Icy Soil in Wonderland, NASA
• Cassini to Earth: 'Mission Accomplished, But New Questions Await!', NASA
• Scientists confirm that parts of earliest genetic material may have come from the stars, Imperial College
• Ancient mineral shows early Earth climate tough on continents, University of Wisconsin-Madison

Posted by Keith Cowing at 2:43 PM | Permalink | Comments (0)

• What to Expect from Transiting Multiplanet Systems, astro-ph
• Toward a homogeneous set of transiting planet parameters, astro-ph

Posted by Keith Cowing at 8:28 AM | Permalink | Comments (0)

• NASA's Mars Phoenix Lander Returns Treasure Trove for Science, NASA
• Where Did Water Flow on Mars? Modeling Mars' surface in search of ancient rivers and oceans, ESRI
• Looking for Early Earth On the Moon, Astrobiology Magazine 
• Migration and growth of giant planets in self-gravitating disks with varied thermodynamics, astro-ph
• The NStED Exoplanet Transit Survey Service, astro-ph
• The Spin-Orbit Alignment of the HD17156 Transiting Eccentric Planetary System, astro-ph
• Formation of Massive Exoplanets by Fragmentation of the Protostellar Cloud and Disk Capture, astro-ph

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

• The most extreme life-forms in the universe, New Scientist
• Ice Lines, Planetesimal Composition and Solid Surface Density in the Solar Nebula
• NASA's Phoenix Mars Lander Puts Soil in Chemistry Lab, Team Discusses Next Steps, NASA

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

• Bright Chunks at NASA Phoenix Lander’s Mars Site Must Have Been Ice, NASA
• Clouds, Clumps, Cores & Comets - a Cosmic Chemical Connection?, astro-ph
• Lavas from Hawaiian volcano contain fingerprint of planetary formation, University of Chicago

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

• Near Infrared Monitoring of Ultracool Dwarfs: Prospects for Searching for Transiting Companion, astro-ph
• Migration of Protoplanets in Radiative Disks, astro-ph

Posted by Keith Cowing at 10:01 AM | Permalink | Comments (0)

• Jupiter - friend or foe? I: the asteroids, astro-ph
• New Young Brown Dwarfs in the Orion Molecular Cloud 2/3 Region, astro-ph
• The Mystery of Mass Extinctions Is No Longer Murky, NSF
• Survey for 'super-Earths' finds worlds like ours may be common, Nature

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

• Phoenix Probes Martian Soil--No Ice Yet but Lots of Resolution, Scientific American
• A Bounty of Midsize Planets Is Reported, NY Times
• No signs of water yet from Mars lander, LA Times

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

• Mini subs to probe odd structures in BC lake
• NASA Astrobiology Research: Astronaut, Scientists Explore Lake to Learn More About Life
• A Trio of Super Earths Discovered
• UNC technology enrolled in hunt for life on Mars

Posted by Keith Cowing at 5:41 PM | Permalink | Comments (0)

• Extraterrestrial nucleobases in the Murchison meteorite, Earth and Planetary Science Letters

Posted by Keith Cowing at 11:46 AM | Permalink | Comments (0)

• Precise Wavefront Correction with an Unbalanced Nulling Interferometer for Exo-Planet Imaging Coronagraphs, astro-ph

Posted by Keith Cowing at 12:29 AM | Permalink | Comments (0)

• Measurement of the Spin-Orbit Angle of Exoplanet HAT-P-1b, astro-ph
• Planetesimal formation around the snow line in MRI-driven turbulent protoplanetary disks, astro-ph

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

• Assembling the Building Blocks of Giant Planets around Intermediate Mass Stars, astro-ph
• WASP-10b: a 3M_J, eccentric transiting gas-giant planet, astro-ph
• WASP-14b: A 7.7 Mjup transiting exoplanet in an eccentric orbit, astro-ph
• SPH simulations of grain growth in protoplanetary disks, astro-ph

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

• Hairy blobs found in acidic hell, New Scientist
• "Hairy Blobs" Discovered in Acidic Lake Could Have Evolved on Mars, io9

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

• A survivor in Greenland: A novel bacterial species is found trapped in 120,000-year-old ice, Penn State
• One week after landing, the NASA Mars Phoenix lander practices digging, University of Arizona
• On the Eccentricity Distribution of Exoplanets from Radial Velocity Surveys, astro-ph
• Photodissociation of small carbonaceous molecules of astrophysical interest, astro-ph
• Photoprocesses in protoplanetary disks, astro-ph
• HD 179949b: A Close Orbiting Extrasolar Giant Planet with a stratosphere?, astro-ph
• Predicting low-frequency radio fluxes of known extrasolar planets, astro-ph

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

• Astonomers find tiny planet orbiting tiny star
• Small Planet, Small Star
• Astronomers Weigh the Coldest Brown Dwarfs with Astronomy's Sharpest Eyes

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

• Snowball Earth termination by destabilization of equatorial permafrost methane clathrate, Nature
• Water Activity and the Challenge for Life on Early Mars, Science

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

• Size-sorting dust grains in the surface layers of protoplanetary disks, astro-ph
• Abundance and diversity of microbial life in ocean crust, Nature
• NASA Solicitation: Research Opportunities for Fundamental Space Biology Investigations in Microbial Plant and Cell Biology

Posted by Keith Cowing at 12:17 AM | Permalink | Comments (0)

• New Low-Mass Stars and Brown Dwarfs with Disks in the Chamaeleon I Star-Forming Region, astro-ph
• Photometric Follow-up Observations of the Transiting Neptune-Mass Planet GJ 436b, astro-ph

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

• How low can life go? Microbes thrive more than a kilometre beneath the sea floor, Nature

Posted by Keith Cowing at 10:49 PM | Permalink | Comments (0)

• Exploring Mars - at the bottom of a B.C. lake, Globe and Mail
• Discovery of OH in Circumstellar Disks Around Young Intermediate-Mass Stars, astro-ph
• Detection of Silica-Rich Deposits on Mars, Science

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

• Sun's properties not 'fine-tuned' for life, New Scientist
• Huge hidden biomass lives deep beneath the oceans, New Scientist
• Spectro-astrometric imaging of molecular gas within protoplanetary disk gaps
• Secrets of Mars' Suitability For Life May Be Down in the Dirt, SETI Institute
• ESA COROT: Exoplanet Hunt Update, ESA

Posted by Keith Cowing at 5:31 PM | Permalink | Comments (0)

• Microlensing Detections of Moons of Exoplanets, astro-ph
• XO-4b: An Extrasolar Planet Transiting an F5V Star, astro-ph

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

• XO-5b: A Transiting Jupiter-sized Planet With A Four Day Period, astro-ph
• Thermal Emission of Exoplanet XO-1b, astro-ph

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

• The birth and death of organic molecules in protoplanetary disks, astro-ph

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

• Characterizing Long-Period Transiting Planets Observed by Kepler, astro-ph
• On the long-term tidal evolution of GJ 436b in the presence of a resonant companion, astro-ph
• DARWIN - A Mission to Detect, and Search for Life on, Extrasolar Planets, astro-ph

Posted by Keith Cowing at 10:14 AM | Permalink | Comments (0)

• Synthetic Spectra and Colors of Young Giant Planet Atmospheres: Effects of Initial Conditions and Atmospheric Metallicity, astro-ph
• An Algorithm For Photometric Identification Of Transiting Circumbinary Planets, astro-ph

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

• Rayleigh scattering by H2 in the extrasolar planet HD209458b, astro-ph
• Near-infrared polarization images of the Orion proplyds, astro-ph
• Nonuniform viscosity in the solar nebula and large masses of Jupiter and Saturn, astro-ph
• A Precise Estimate of the Radius of the Exoplanet HD 149026b from Spitzer Photometry, astro-ph
• NASA Kepler Mission Offers Opportunity to Send Names into Space, NASA
• Astrobiology Meets the Video Game: Spore, NASA

Posted by Keith Cowing at 8:48 PM | Permalink | Comments (0)

• A simple determination of some characteristics of the beta Pictoris system, astro-ph
• Disk Dispersal and Planet Formation Time Scales, astro-ph

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

• The Transit Light Curve Project. IX. Evidence for a Smaller Radius of the Exoplanet XO-3b, astro-ph
• The Successful Prediction of the Extrasolar Planet HD 74156 d, astro-ph
• Evidence of molecular adaptation to extreme environments and applicability to space environments, astro-ph
• On disc protoplanet interactions in a non-barotropic disc with thermal diffusion, astro-ph
• The nature of mid-infrared excesses from hot dust around Sun-like stars, astro-ph
• HD 75289Ab revisited - Searching for starlight reflected from a hot Jupiter, astro-ph
• The Peculiar Volatile Composition of Comet 8P/Tuttle: A Contact Binary of Chemically Distinct Cometesimals?, astro-ph

Posted by Keith Cowing at 10:52 AM | Permalink | Comments (0)

• Challenges for asteroseismic analysis of Sun-like stars, astro-ph
• Life-Probing Instrument Preparing for Mission to Mars, UCSD
• Like Martian Water for Chocolate
• Scientists make chemical cousin of DNA for use as new nanotechnology building block
• Before fossil fuels, Earth's minerals kept CO2 in check

Posted by Keith Cowing at 11:18 AM | Permalink | Comments (0)

• Mars Photos Appear to Show Dry Hot Springs
• Warming the early Earth - CO2 reconsidered, astro-ph

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

• Radio Emission from Exoplanets, astro-ph
• The Alpha Centauri Binary System: Atmospheric Parameters and Element Abundances, astro-ph

Posted by Keith Cowing at 9:22 PM | Permalink | Comments (0)

• Solar system could go haywire before the Sun dies, New Scientist
• The potential impact of groove modes on Type II planetary migration, astro-ph
• Towards planetesimals: dense chondrule clumps in the protoplanetary nebula, astro-ph
• Detecting transits from Earth-sized planets around Sun-like stars, astro-ph

Posted by Keith Cowing at 9:37 AM | Permalink | Comments (0)

• Resonances of low orders in the planetary system around the star HD37124, astro-ph
• A Code to Compute High Energy Cosmic Ray Effects on Terrestrial Atmospheric Chemistry, astro-ph
• Beyond the Iron Peak: r- and s-process Elemental Abundances in Stars with Planets, astro-ph

Posted by Keith Cowing at 9:46 AM | Permalink | Comments (0)

• Dead Zone Accretion Flows in Protostellar Disks, astro-ph
• A peculiarity of metal-poor stars with planets ?, astro-ph
• Critical Test of the Self-Similar Cosmological Paradigm: Anomalously Few Planets Orbiting Low-Mass Red Dwarf Stars, astro-ph
• Astronomy Picture of the Day: Bacteriophages: The Most Common Life-Like Form on Earth

Posted by Keith Cowing at 10:44 AM | Permalink | Comments (0)

• Closure Phase Signatures of Planet Transit Events, astro-ph

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

• The Transit Light Curve Project. VIII. Six Occultations of the Exoplanet TrES-3, astro-ph
• Modeling the interstellar aromatic infrared bands with co-added spectra of PAHs, astro-ph

Posted by Keith Cowing at 10:28 AM | Permalink | Comments (0)

• Is there anybody out there?
• Stellar Birth in the Galactic Wilderness
• Study heats up 'snowball Earth' debate
• Missions to Mars: GSI Will Investigate Radiation Risks for Astronauts

Posted by Keith Cowing at 10:32 AM | Permalink | Comments (0)

• Space Radiation May Cause Prolonged Cellular Damage to Astronauts

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

• On the Binary Nature of Dust-encircled BD+20 307, astro-ph
• On the Dynamical Stability of the Solar System, astro-ph

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