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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

  1. I just seen a star disappear? 1 2 3 4 5

    By geko,
    • 68 replies
    • 95.4k views

  2. The things that have been told to me

    By bitdaddy,
    • 2 replies
    • 196 views

  3. Entire Galaxy Destroying Kardashev Scale 4 Weapon

    By Vmedvil,
    • 3 replies
    • 157 views

  4. Black Hole Warheads for Defense of Earth Against Hostile UFOs/UAPs

    By Vmedvil,
    • 2 replies
    • 171 views

  5. The carbon coated coin (Eden Shorthouse)

    By Edenjs,
    • 0 replies
    • 157 views

  6. Mars and the dim sun paradox

    By Moontanman,
    • 2 replies
    • 250 views

  7. What is needed to creat Proton?

    By Dandav,
    • 5 replies
    • 566 views

  8. Why Neutron star isn't called Proton star

    By Dandav,
    • 7 replies
    • 472 views

  9. Time Travel Suggestions 1 2

    By Vmedvil2,
    • 22 replies
    • 6.1k views

  10. What is Dark Matter and Dark Energy?

    By Vmedvil5,
    • 2 replies
    • 729 views

  11. Tipler Cylinders And The Temporal Paradox Device

    By Vmedvil2,
    • 7 replies
    • 715 views

  12. Antimatter galaxy collisions may be source of HECRs

    By JeffreysTubes8,
    • 2 replies
    • 668 views

  13. Where is Webb?

    By ArthurSmith,
    • 1 reply
    • 944 views

  14. Could an extra creasing in space time offer a better fit for dark matter and dark energy.

    By highdimensionman,
    • 4 replies
    • 676 views

  15. Origin of The Universe

    By Mayukh,
    • 3 replies
    • 958 views

  16. IS SPACE DISCRETE?

    By write4u,
    • 11 replies
    • 951 views

  17. Nuclear Reheat And Mars Terraformation

    By Vmedvil2,
    • 8 replies
    • 1.2k views

  18. Possible Message From Aliens Left In Crop Circle

    By Vmedvil2,
    • 4 replies
    • 950 views

  19. lagrange Points

    By ruko,
    • 4 replies
    • 875 views

  20. Are Aliens Among Us: Dr. Michio Kaku

    By Vmedvil2,
    • 14 replies
    • 838 views

  21. Is Space Zero Gravity (0 G) 1 2 3 4 11

    By Darky,   
    • 178 replies
    • 26.8k views

  22. My Theories Need Feedback

    By Forgotten,   
    • 1 reply
    • 1.7k views

  23. Faster Than Light Speed Travel With Neil deGrasse Tyson Video

    By Vmedvil2,
    • 2 replies
    • 635 views

  24. The Fermi Paradox With Neil deGrasse Tyson Video

    By Vmedvil2,
    • 0 replies
    • 511 views

  25. Do Interdimensional Aliens Exist?

    By Vmedvil2,
    • 1 reply
    • 687 views
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