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Astronomy and Cosmology

Topics related to observation of space and any related phenomena.


3680 topics in this forum

  1. darkness

    • 19 replies
    • 1.9k views
  2. some phenomenon?

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  3. Dark matter

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  4. Life cycle remain

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  5. light speed 1 2

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  6. New to Astronomy

    • 4 replies
    • 1.3k views
  7. time and space 1 2

    • 28 replies
    • 2.8k views
  8. Most Distant Object

    • 14 replies
    • 1.8k views
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