News Archives Astrobiology Science News 11 September 2007 By Keith Cowing September 11, 2007 Detection of a Third Planet in the HD 74156 System Using the Hobby-Eberly Telescope, arXiv.org The Vertical Structure of Planet-induced Gaps in Proto-Planetary Discs, arXiv.org Keith Cowing SpaceRef co-founder, Explorers Club Fellow, ex-NASA, Away Teams, Journalist, Space & Astrobiology, Lapsed climber. Follow on Twitter
