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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.

1,481 topics in this forum

  1. What is Dark Matter and Dark Energy?

    By Vmedvil5,
    • 0 replies
    • 1.1k views

  2. Tipler Cylinders And The Temporal Paradox Device

    By Vmedvil2,
    • 3 replies
    • 1.1k views

  3. Where is Webb?

    By ArthurSmith,
    • 1 reply
    • 1.3k views

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

    By highdimensionman,
    • 2 replies
    • 921 views

  5. Origin of The Universe

    By Mayukh,
    • 2 replies
    • 1.3k views

  6. IS SPACE DISCRETE?

    By write4u,
    • 11 replies
    • 1.7k views

  7. Nuclear Reheat And Mars Terraformation

    By Vmedvil2,
    • 8 replies
    • 2.6k views

  8. Possible Message From Aliens Left In Crop Circle

    By Vmedvil2,
    • 4 replies
    • 1.3k views

  9. lagrange Points

    By ruko,
    • 4 replies
    • 2.8k views

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

    By Darky,   
    • 178 replies
    • 53.2k views

  11. Are Aliens Among Us: Dr. Michio Kaku

    By Vmedvil2,
    • 5 replies
    • 1.3k views

  12. My Theories Need Feedback

    By Forgotten,   
    • 1 reply
    • 2.2k views

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

    By Vmedvil2,
    • 2 replies
    • 1k views

  14. The Fermi Paradox With Neil deGrasse Tyson Video

    By Vmedvil2,
    • 0 replies
    • 714 views

  15. Do Interdimensional Aliens Exist?

    By Vmedvil2,
    • 0 replies
    • 995 views

  16. Better than Mars Colonization in many aspects.

    By DeepSciences,
    • 3 replies
    • 845 views

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

    By spartan45,
    • 2 replies
    • 1.1k views

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

    By DeepSciences,
    • 1 reply
    • 590 views

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

    By JuliaAshley,   
    • 0 replies
    • 524 views

  20. What form might intelligent life take?

    By darkmatter42,
    • 9 replies
    • 931 views

  21. Space technology that can help us preserve our environment

    By bearnard55,
    • 7 replies
    • 993 views

  22. Dyson Sphere

    By darkmatter42,   
    • 5 replies
    • 507 views

  23. space debris cleaning mission

    By bearnard55,
    • 4 replies
    • 584 views

  24. Planet Venus and it's orbit around the sun.

    By Ricardo,
    • 11 replies
    • 981 views

  25. Two or more planets- same orbit?

    By Diamonds,
    • 3 replies
    • 475 views
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