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Astrobiology News 21 February 2007

By Keith Cowing
February 21, 2007
  • Extrasolars’ light guides atmosphere research, Massachusetts Institute of Technology
  • Absence of Water in Distant Planet’s Atmosphere Surprises Astronomers, Harvard-Smithsonian Center for Astrophysics
  • Astronomers Puzzled by Spectra of Transiting Planet Orbiting Nearby Star, California Institute of Technology
  • Habitat of early life: Solar X-ray and UV radiation at Earth’s surface 4-3.5 billion years ago, arXiv.org
  • A Spectrum of an Extrasolar Planet, arXiv.org
  • A Spitzer Spectrum of the Exoplanet HD 189733b, arXiv.org
  • Exoplanet-Induced Chromospheric Activity: Realistic Light Curves from Solar-type Magnetic Fields, arXiv.org
  • Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope, arXiv.org
    • Keith Cowing

    SpaceRef co-founder, Explorers Club Fellow, ex-NASA, Away Teams, Journalist, Space & Astrobiology, Lapsed climber.

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