News Summary Archives Astrobiology Science News 28 June 2011 By Keith Cowing June 28, 2011 The Structure of a Self-Gravitating Protoplanetary Disk and its Implications to Direct Imaging Observations, astro-ph The statistics of multi-planet systems, astro-ph Carbon and Oxygen in Nearby Stars: Keys to Protoplanetary Disk Chemistry, astro-ph Keith Cowing Explorers Club Fellow, ex-NASA Space Station Payload manager/space biologist, Away Teams, Journalist, Lapsed climber, Synaesthete, Na’Vi-Jedi-Freman-Buddhist-mix, ASL, Devon Island and Everest Base Camp veteran, (he/him) 🖖🏻 Follow on Twitter