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Astronomy and Space

Space, Human spaceflight, space probes and the exploration of our Solar System. No personal theories or speculation please.


1,406 topics in this forum

  1. Redshift z 1 2 3 4 46

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  2. Near Earth Objects 1 2 3 4 14

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  3. Aliens Poll 1 2 3 4 23

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  4. Skywatchers' Journal 1 2 3 4 14

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  5. Hypography X Prize Entry 1 2 3 4 14

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  6. What IS space? 1 2 3 4 13

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  7. Why Does Time Fly? 1 2 3 4

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