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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.


1,477 topics in this forum

  1. How Galaxies Evolve

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  2. All In The Family

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  3. Water Vapor In Space

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  4. Fuel For Victor's Ship?

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  5. Anti-Photon

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  6. Chronograph

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  7. The God Particle

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  8. Do Planets Drift?

    • 13 replies
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  9. Star Colors

    • 6 replies
    • 1.5k views
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