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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.


1,417 topics in this forum

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  1. April Asteroid

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  2. Fine Structure Constant 1 2 3 4 6

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  3. Dead Galaxy

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  4. Dimming On Betelguese

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  5. Signs Of Life

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  6. Parker Solar Probe

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  7. Irrelevancy Of Friction?

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