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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.


1,483 topics in this forum

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  1. Moon's Origin

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  2. The limits of the universe

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  3. Dark Energy

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  4. Bubble Fusion Burst Back

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  5. Parallel Universes

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  6. What is it exactly ???

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  7. Fate of the universe

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