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Astronomy and Cosmology

Topics related to observation of space and any related phenomena.


3710 topics in this forum

  1. A planet made of humans

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  2. Value of an Asteroid

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  3. Worth of the sun?

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  4. sound in space 1 2

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  5. 15 days of darkness

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  6. An Idea That I Have

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  7. Anti-Gravity??

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  8. Delta Aquarids

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    • 2 replies
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