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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.

1,486 topics in this forum

  1. Upcoming book about the 1986 Challenger disaster

    By CraigD,
    • 3 replies
    • 2k views

  2. Dark matter causes moon receding and earth’s rotation slowing?

    By peter,
    • 5 replies
    • 2.7k views

  3. Moments and events 1 2 3 4 7

    By InfiniteNow,
    • 117 replies
    • 15.3k views

  4. Sun's Origin and make up.

    By Pluto,
    • 12 replies
    • 3k views

  5. Hazzards of vacuum

    By Roadam,
    • 2 replies
    • 1.7k views

  6. Help e.t. out, let him find us

    By vasquez,
    • 8 replies
    • 1.5k views

  7. NASA to delay Mars launch by two years

    By Michaelangelica,
    • 0 replies
    • 1.1k views

  8. The Universe Was Not Caused 1 2

    By jedaisoul,
    • 17 replies
    • 2.2k views

  9. Gravity

    By vasquez,
    • 3 replies
    • 1.1k views

  10. Theories on gamma ray bursts?

    By sanctus,
    • 14 replies
    • 3.1k views

  11. Material Creation 1 2 3 4 7

    By coldcreation,
    • 110 replies
    • 15.3k views

  12. Jupiters bands

    By paigetheoracle,
    • 1 reply
    • 926 views

  13. Evidence of a higher intelligence

    By Merlin,
    • 2 replies
    • 1k views

  14. Universe Expansion, Exotic vs. Dark Matter?

    By pianoman1976,
    • 14 replies
    • 3.7k views

  15. Space-Based Solar Power Interim Assessment (Release 0.1) is Published!

    By cfrjlr,
    • 4 replies
    • 1.4k views

  16. Lunar Exploration History

    By TheBigDog,
    • 5 replies
    • 1.9k views

  17. Light and energy

    By astrocuriousstudent,
    • 0 replies
    • 980 views

  18. Going to Alpha Centauri

    By alpha_centauri,
    • 1 reply
    • 1.6k views

  19. A new theory on origin of the universe

    By NLN,
    • 4 replies
    • 2.2k views

  20. Soft landing on the moon discussion 1 2

    By Roadam,
    • 27 replies
    • 10k views

  21. If Moon is departing, what will happen to Earth?

    By Jet2,
    • 7 replies
    • 1.6k views

  22. Info on Hubble Solar array problems?

    By rkruz,
    • 0 replies
    • 1.1k views

  23. Team Solid-state 1 2

    By GAHD,
    • 21 replies
    • 5.3k views

  24. Should the moon have a name? 1 2 3 4 5

    By C1ay,
    • 80 replies
    • 11.2k views

  25. Cosmic Factories Produce Rubies and Sapphires

    By cyclonebuster,
    • 1 reply
    • 1.1k views
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