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Astronomy and Cosmology

Topics related to observation of space and any related phenomena.


3709 topics in this forum

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  1. Seeing Black Holes

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  2. Passing Stars

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  3. How big is the universe? 1 2

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  4. define "universe"

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  5. There goes the universe.

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  6. black suction theory

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  7. Elusive Dark Matter

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  8. 2012 DA14

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  9. Under surveillance 1 2

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  10. 2012 DA14 Flyby path

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