News Summary Archives Astrobiology Science News 8 April 2008 By Keith Cowing April 8, 2008 Predicting the Yields of Photometric Surveys for Transiting Extrasolar Planets Large excess of heavy nitrogen in both hydrogen cyanide and cyanogen from comet 17P/Holmes Keith Cowing Biologist, Explorers Club Fellow, ex-NASA Space Biologist and Payload integrator, Editor of NASAWatch.com and Astrobiology.com, Lapsed climber, Explorer, Synaesthete, Former Challenger Center board member 🖖🏻 Follow on Twitter
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