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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.


1,435 topics in this forum

  1. Fine Structure Constant 1 2 3 4 6

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    • 1 reply
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  2. Dead Galaxy

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  3. Dimming On Betelguese

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  4. Signs Of Life

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  5. Parker Solar Probe

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  6. Irrelevancy Of Friction?

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  7. Near Earth Objects 1 2 3 4 14

    • 236 replies
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  8. Transforming Mars

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    • 600 views
    • 17 replies
    • 1.4k views
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