Tags: astronomy

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  1. Welcome to the Planets is sponsored by NASA and contains many images of planets, comets, etc. Many images come from NASA's planetary exploration program (Magellan, Hubble, etc.). [space, physics]
    31-01-2006 to , by grabe
  2. Space Telescope Science Institute - Amazing Space web-based activities
  3. Windows to the Universe - earth and space science. [astronomy]
    31-01-2006 to , by grabe
  4. Free open source planetarium (software) for your computer. Cross-platform.
    22-12-2008 to , , by grabe

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