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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.

1,485 topics in this forum

  1. Eliminate Dark Energy, Explain Dark Matter

    By Kharakov,
    • 0 replies
    • 898 views

  2. Dark matter may be other Universes 1 2

    By Atlas shrugged,
    • 21 replies
    • 4k views

  3. Venus: The Dancing Queen

    By freeztar,
    • 15 replies
    • 8.9k views

  4. Jupiter's red spot - storm or eddy?

    By paigetheoracle,
    • 3 replies
    • 2.1k views

  5. White Holes

    By noexpert,
    • 6 replies
    • 1.7k views

  6. Are we alone? 1 2 3 4 8

    By sman,
    • 130 replies
    • 21k views

  7. Is the universe infinite? 1 2

    By Science Guy,
    • 32 replies
    • 4.7k views

  8. Satellite Recycling

    By Jay-qu,
    • 0 replies
    • 959 views

  9. I want to hear peoples theorys about Black Holes. please read. 1 2 3

    By genius_band_geek.,
    • 45 replies
    • 11.5k views

  10. Detecting Planets Around Other Stars

    By belovelife,
    • 2 replies
    • 933 views

  11. Is Dark Energy expanding our bodies?

    By philiplaos,
    • 8 replies
    • 1.8k views

  12. Expanding Universe 1 2 3 4

    By Time_Travel,
    • 61 replies
    • 10.1k views

  13. The Nature Of The Big Bang : Extra Possibility

    By clapstyx,
    • 0 replies
    • 753 views

  14. Future of Our Space Program 1 2

    By Pyrotex,
    • 25 replies
    • 7k views

  15. Terraforming Other Planets? 1 2 3 4 7

    By Space Emu,
    • 108 replies
    • 19.7k views

  16. War, Waste, or Worlds Apart?

    By Eclogite,
    • 7 replies
    • 1.9k views

  17. Universe as a big star 1 2

    By Time_Travel,
    • 25 replies
    • 3.9k views

  18. Entropy of Static and Perpetually Old Universe 1 2 3 4

    By modest,
    • 62 replies
    • 7.5k views

  19. Is an exapnding universe a violation of the principle of relativity? 1 2 3

    By quantumtopology,
    • 34 replies
    • 5.7k views

  20. Something beyond visible universe detected? 1 2

    By Moontanman,
    • 17 replies
    • 5.4k views

  21. I saw 2 stars disappear

    By Mongoose19,
    • 3 replies
    • 1.5k views

  22. New Big Bang Data - ESA

    By enorbet2,
    • 2 replies
    • 1.1k views

  23. Witnessing History: Space Shuttle Launch

    By TheBigDog,
    • 0 replies
    • 1.2k views

  24. The Expansion Of The Universe According To Hubble’S Law

    By lbiar,
    • 2 replies
    • 982 views

  25. Expansion Of The Universe According To Homogeneity 1 2

    By lbiar,
    • 24 replies
    • 3.5k views
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