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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.

1,470 topics in this forum

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

    By highdimensionman,
    • 4 replies
    • 218 views

  2. Antimatter galaxy collisions may be source of HECRs

    By JeffreysTubes8,
    • 1 reply
    • 72 views

  3. Time Travel Suggestions 1 2

    By Vmedvil2,
    • 20 replies
    • 4.4k views

  4. UFO capability

    By JeffreysTubes8,
    • 0 replies
    • 71 views

  5. Entire Galaxy Destroying Kardashev Scale 4 Weapon

    By Vmedvil5,
    • 0 replies
    • 120 views

  6. Origin of The Universe

    By Mayukh,
    • 3 replies
    • 441 views

  7. IS SPACE DISCRETE?

    By write4u,
    • 11 replies
    • 515 views

  8. Nuclear Reheat And Mars Terraformation

    By Vmedvil2,
    • 8 replies
    • 422 views

  9. Tipler Cylinders And The Temporal Paradox Device

    By Vmedvil2,
    • 0 replies
    • 138 views

  10. Possible Message From Aliens Left In Crop Circle

    By Vmedvil2,
    • 4 replies
    • 475 views

  11. Where is Webb?

    By ArthurSmith,
    • 0 replies
    • 241 views

  12. lagrange Points

    By ruko,
    • 4 replies
    • 467 views

  13. Are Aliens Among Us: Dr. Michio Kaku

    By Vmedvil2,
    • 14 replies
    • 428 views

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

    By Darky,   
    • 178 replies
    • 23.4k views

  15. My Theories Need Feedback

    By Forgotten,   
    • 1 reply
    • 413 views

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

    By Vmedvil2,
    • 2 replies
    • 235 views

  17. The Fermi Paradox With Neil deGrasse Tyson Video

    By Vmedvil2,
    • 0 replies
    • 132 views

  18. Do Interdimensional Aliens Exist?

    By Vmedvil2,
    • 1 reply
    • 286 views

  19. Better than Mars Colonization in many aspects.

    By DeepSciences,
    • 3 replies
    • 289 views

  20. SpaceX Falcon-9 Rocket about to launch 4 'amateur astronauts' into Earth orbit

    By spartan45,
    • 2 replies
    • 630 views

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

    By geko,
    • 67 replies
    • 92.9k views

  22. Now is a good time to talk about James webb Space Telescope.

    By DeepSciences,
    • 1 reply
    • 216 views

  23. American Association of Variable Star Observers 110th Anniversary!

    By JuliaAshley,   
    • 0 replies
    • 211 views

  24. Neutron Stars: The Most Extreme Objects In The Universe Video

    By Vmedvil2,
    • 0 replies
    • 170 views

  25. Strip Mining The Galaxy By Isaac Arthur

    By Vmedvil2,
    • 0 replies
    • 209 views
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