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Astronomy and Cosmology

Topics related to observation of space and any related phenomena.


3709 topics in this forum

  1. time and space

    • 11 replies
    • 1.8k views
  2. Spinning Earth

    • 1 reply
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    • 3 replies
    • 1.3k views
  3. Google earth (sky view)

    • 0 replies
    • 864 views
  4. do galaxies orbit

    • 5 replies
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    • 6 replies
    • 3.3k views
  5. Frozen earth

    • 4 replies
    • 1.1k views
  6. Black Hole collapse

    • 17 replies
    • 2.1k views
    • 7 replies
    • 1.5k views
  7. Hot Jupiters.

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    • 0 replies
    • 872 views
    • 36 replies
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  8. blackholes

    • 2 replies
    • 1.2k views
    • 37 replies
    • 5k views
  9. solar wind/jovian wind?

    • 15 replies
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    • 4 replies
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  10. an unsolveble question?

    • 4 replies
    • 955 views
    • 7 replies
    • 1.4k views
  11. Life on Mars?

    • 7 replies
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    • 3 replies
    • 1k views
    • 3 replies
    • 1.6k views
  12. Galaxy Photography

    • 2 replies
    • 1.1k views
    • 16 replies
    • 2.1k views
    • 4 replies
    • 1.3k views
    • 17 replies
    • 2.2k views
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