News Summary Archives Astrobiology News 26 March 2007 By Keith Cowing March 26, 2007 Detecting companions to extrasolar planets using mutual events, arXiv.org Steady-state evolution of debris disks around A stars, arXiv.org 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