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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.

1,484 topics in this forum

  1. The future of Intelligence in space...

    By Boerseun,
    • 4 replies
    • 1.7k views

  2. IPCS Interstellar voyage #1

    By silverslith,
    • 7 replies
    • 2.2k views

  3. Kepler Telescope

    By Jim Colyer,
    • 1 reply
    • 1.3k views

  4. How did the Big Bang create galaxies

    By Pluto,
    • 12 replies
    • 2.1k views

  5. Intergalactic Spores 1 2

    By Queso,
    • 28 replies
    • 8.5k views

  6. What happen to the mater who go through black hole 1 2

    By cohen avshalom,
    • 31 replies
    • 8.7k views

  7. Stable planetary orbits around the sun? 1 2

    By Moontanman,
    • 22 replies
    • 4.1k views

  8. Brown dwarf discovered...

    By Guest Lambus,
    • 2 replies
    • 1k views

  9. Grand Unified Theory 1 2 3

    By Mike C,
    • 37 replies
    • 6.3k views

  10. Solar Sail will not work? 1 2

    By Kayra,
    • 32 replies
    • 5.3k views

  11. Gravity lense or permittivity change?

    By FrankM,
    • 3 replies
    • 1.4k views

  12. Why we can't feel gravity in a free fall situation 1 2

    By elminah,
    • 21 replies
    • 6.8k views

  13. Just when you thought it was safe to trust NASA again.

    By TheFaithfulStone,
    • 5 replies
    • 1.5k views

  14. Super Nova Voyager

    By JoeRoccoCassara,
    • 9 replies
    • 2.9k views

  15. The Dark Side

    By Guest chendoh,
    • 3 replies
    • 1.2k views
    • Guest
    • Guest

  16. Inflationary Theory and Accelerated Expansion 1 2

    By Little Bang,
    • 17 replies
    • 3.1k views

  17. Cold and Hot Dark Matter

    By kingwinner,
    • 3 replies
    • 1.3k views

  18. Star alignment around BH Galactic Centers

    By InfiniteNow,
    • 0 replies
    • 1k views

  19. Jupiter Fusion Reactor?

    By chriswight,
    • 7 replies
    • 4.4k views

  20. The Explorer Shuttle

    By JoeRoccoCassara,
    • 12 replies
    • 2.9k views

  21. Efficient Fuel

    By Barry Scott,
    • 11 replies
    • 2.9k views

  22. Advanced future rocket propellents under research

    By kvraghavaiah,
    • 5 replies
    • 4k views

  23. Interstellar peoples community starship. 1 2

    By silverslith,
    • 25 replies
    • 6.3k views

  24. Before the Big Bang

    By Pyrotex,
    • 7 replies
    • 2.3k views

  25. Cmbr

    By Mike C,
    • 0 replies
    • 1.1k views
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