News Archives Astrobiology Science News 10 July 2009 By Keith Cowing July 10, 2009 Debris disc stirring by secular perturbations from giant planets, astro-ph Observational Window Functions in Planet Transit Surveys, astro-ph NASA Scientists Dive Deep to Learn More about Life on the Moon, Mars, NASA Keith Cowing SpaceRef co-founder, Explorers Club Fellow, ex-NASA, Away Teams, Journalist, Space & Astrobiology, Lapsed climber. Follow on Twitter
