Astrobiology Science News 4 September 2007

  • Rovers begin new observations on changing Martian atmosphere, University of Chicago
  • Spirit Slowly Emerges from Blanket of Dust, NASA
  • NASA Study will Help Stop Stowaways to Mars, Blackwell Publishing
  • On The Orbital Evolution of Jupiter Mass Protoplanet Embedded in A Self-Gravity Disk, arXiv.org
  • Cometary Dust Trail Associated with Rosetta Mission Target: 67P/Churyumov-Gerasimenko, arXiv.org
  • The molecular and dusty composition of Betelgeuse's inner circumstellar environment, arXiv.org
  • Spitzer Infrared Spectrograph Observations of Magellanic Cloud Planetary Nebulae: the nature of dust in low metallicity circumstellar ejecta, arXiv.org
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