News Summary Archives Astrobiology Science News 19 May 2008 By Keith Cowing May 19, 2008 XO-5b: A Transiting Jupiter-sized Planet With A Four Day Period, astro-ph Thermal Emission of Exoplanet XO-1b, 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