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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. What is Dark Matter and Dark Energy?

    By Vmedvil5,
    • 2 replies
    • 225 views

  2. Tipler Cylinders And The Temporal Paradox Device

    By Vmedvil2,
    • 7 replies
    • 307 views

  3. Antimatter galaxy collisions may be source of HECRs

    By JeffreysTubes8,
    • 2 replies
    • 296 views

  4. Where is Webb?

    By ArthurSmith,
    • 1 reply
    • 529 views

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

    By highdimensionman,
    • 4 replies
    • 366 views

  6. Time Travel Suggestions 1 2

    By Vmedvil2,
    • 20 replies
    • 4.9k views

  7. UFO capability

    By JeffreysTubes8,
    • 0 replies
    • 153 views

  8. Origin of The Universe

    By Mayukh,
    • 3 replies
    • 562 views

  9. IS SPACE DISCRETE?

    By write4u,
    • 11 replies
    • 620 views

  10. Nuclear Reheat And Mars Terraformation

    By Vmedvil2,
    • 8 replies
    • 669 views

  11. Possible Message From Aliens Left In Crop Circle

    By Vmedvil2,
    • 4 replies
    • 591 views

  12. lagrange Points

    By ruko,
    • 4 replies
    • 534 views

  13. Are Aliens Among Us: Dr. Michio Kaku

    By Vmedvil2,
    • 14 replies
    • 500 views

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

    By Darky,   
    • 178 replies
    • 24.6k views

  15. My Theories Need Feedback

    By Forgotten,   
    • 1 reply
    • 979 views

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

    By Vmedvil2,
    • 2 replies
    • 286 views

  17. The Fermi Paradox With Neil deGrasse Tyson Video

    By Vmedvil2,
    • 0 replies
    • 177 views

  18. Do Interdimensional Aliens Exist?

    By Vmedvil2,
    • 1 reply
    • 348 views

  19. Better than Mars Colonization in many aspects.

    By DeepSciences,
    • 3 replies
    • 322 views

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

    By spartan45,
    • 2 replies
    • 664 views

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

    By geko,
    • 67 replies
    • 93.7k views

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

    By DeepSciences,
    • 1 reply
    • 248 views

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

    By JuliaAshley,   
    • 0 replies
    • 240 views

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

    By Vmedvil2,
    • 0 replies
    • 197 views

  25. Strip Mining The Galaxy By Isaac Arthur

    By Vmedvil2,
    • 0 replies
    • 248 views
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