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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.


1,472 topics in this forum

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  1. Defining Time

    • 13 replies
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  2. Oort Cloud

    • 15 replies
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  3. The Nothing Theory

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  4. VACCULOID THEORY 1 2

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  5. Stacking holes?

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  6. Glossary?

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  7. Huygens is alive

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  8. Sounds of Titan

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  9. Just a theory....

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  10. Great wall of Iapetus

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  11. Saturn is bright tonight

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  12. Expanding Universe

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  13. Huygens release

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  14. Matter/Antimatter

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  15. Any astronomers??? 1 2

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    • 4.9k views
  16. Moon's rotation

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  17. Name a Star hoax

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  18. Theory of gravitation

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  19. New Comet for the New Year

    • 6 replies
    • 2k views
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