News Summary Archives Astrobiology Science News 29 June 2006 By Keith Cowing June 29, 2006 Spitzer Observations of two TW Hydrae Association Brown Dwarfs, arXiv.org Formation and Evolution of Planetary Systems: Upper Limits to the Gas Mass in Disks Around Sun-like Stars, arXiv.org Outgassing of Ordinary Chondritic Material and Some of its Implications for the Chemistry of Asteroids, Planets, and Satellites, arXiv.org They Came From the Deep in the Supernova: The Origin of TiC and Metal Subgrains in Presolar Graphite Grains, 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
