News Archives Astrobiology Science News 21 June 2010 By Keith Cowing June 21, 2010 A Revised Orbital Ephemeris for HAT-P-9b, astro-ph The Discovery of the Most Metal-Rich White Dwarf: Composition of a Tidally Disrupted Extrasolar Dwarf Planet, astro-ph The Value of Systems with Multiple Transiting Planets, astro-ph Keith Cowing SpaceRef co-founder, Explorers Club Fellow, ex-NASA, Away Teams, Journalist, Space & Astrobiology, Lapsed climber. Follow on Twitter