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Astronomy and Cosmology

Topics related to observation of space and any related phenomena.


3710 topics in this forum

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  1. The Universe-How/Why????

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  2. Beginning of life

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  3. Solar system books

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  4. Astronomy pictures

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  5. Energy into matter

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  6. 67P as an apple core

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  7. Solar Neighborhood Enigma 1 2

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