Astrobiology News 13 December 2006

  • Assessing the massive young Sun hypothesis to solve the warm young Earth puzzle, arXiv.org
  • On the "Galactic Habitable Zone", arXiv.org
  • Geologists Finding a Different Mars Underneath, NASA
  • NASA Spacecraft Read Layered Clues to Changes on Mars, NASA
  • Mars Express scientists find a different Mars underneath, ESA
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