Astrobiology Science News 5 October 2007

  • Biomarkers set in context,
  • HD 17156b: A Transiting Planet with a 21.2 Day Period and an Eccentric Orbit,
  • Dust observations of Comet 9P/Tempel 1 at the time of the Deep Impact,
  • Planet formation around stars of various masses: The snow line and the frequency of giant planets,
  • Please follow Astrobiology on Twitter.

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