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Astronomy and Cosmology

Topics related to observation of space and any related phenomena.


3708 topics in this forum

  1. Moon North

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    • 7 replies
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  2. New to Astronomy

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  3. Parallel lines

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  4. Asteroid/comet

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  5. A question.

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  6. galaxy rotation question

    • 6 replies
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  7. Weird Mars pictures

    • 6 replies
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  8. galileo's moon

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  9. Quasars

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  10. The Speck

    • 3 replies
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  11. Peer Review requested.

    • 3 replies
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    • 6 replies
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