Astrobiology News 23 August 2006

  • Sulfur signature changes thoughts on atmospheric oxygen, Pennsylvania State University
  • Microscopic Passengers to Hitch Ride on Space Shuttle, NASA ARC
  • HD3651B: the first directly imaged brown dwarf companion of an exoplanet host star, arXiv.org
  • Hubble Space Telescope Observations of Comet 9P/Tempel 1 during the Deep Impact Encounter, arXiv.org
  • On the Search For Transits of the Planets Orbiting Gl 876, arXiv.org
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