News Archives Astrobiology Science News 6 November 2007 By Keith Cowing November 6, 2007 Fragment-collision model for compound chondrule formation: Estimation of collision probability, arXiv.org Scientists Discover Record Fifth Planet Orbiting Nearby Star, NASA Keith Cowing SpaceRef co-founder, Explorers Club Fellow, ex-NASA, Away Teams, Journalist, Space & Astrobiology, Lapsed climber. Follow on Twitter
