News Summary Archives Astrobiology Science News 1 January 2008 By Keith Cowing January 2, 2008 XO-3b: A Massive Planet in an Eccentric Orbit Transiting an F5V Star, astro-ph 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