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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.

1,484 topics in this forum

  1. The carbon coated coin (Eden Shorthouse)

    By Edenjs,
    • 0 replies
    • 513 views

  2. Mars and the dim sun paradox

    By Moontanman,
    • 2 replies
    • 543 views

  3. Why Neutron star isn't called Proton star

    By Dandav,
    • 4 replies
    • 925 views

  4. What is Dark Matter and Dark Energy?

    By Vmedvil5,
    • 0 replies
    • 1.2k views

  5. Tipler Cylinders And The Temporal Paradox Device

    By Vmedvil2,
    • 3 replies
    • 1.2k views

  6. Where is Webb?

    By ArthurSmith,
    • 1 reply
    • 1.4k views

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

    By highdimensionman,
    • 2 replies
    • 994 views

  8. Origin of The Universe

    By Mayukh,
    • 2 replies
    • 1.4k views

  9. IS SPACE DISCRETE?

    By write4u,
    • 11 replies
    • 1.9k views

  10. Nuclear Reheat And Mars Terraformation

    By Vmedvil2,
    • 8 replies
    • 2.7k views

  11. Possible Message From Aliens Left In Crop Circle

    By Vmedvil2,
    • 4 replies
    • 1.4k views

  12. lagrange Points

    By ruko,
    • 4 replies
    • 2.9k views

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

    By Darky,   
    • 178 replies
    • 87.4k views

  14. Are Aliens Among Us: Dr. Michio Kaku

    By Vmedvil2,
    • 5 replies
    • 1.4k views

  15. My Theories Need Feedback

    By Forgotten,   
    • 1 reply
    • 2.3k views

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

    By Vmedvil2,
    • 2 replies
    • 1.1k views

  17. The Fermi Paradox With Neil deGrasse Tyson Video

    By Vmedvil2,
    • 0 replies
    • 761 views

  18. Do Interdimensional Aliens Exist?

    By Vmedvil2,
    • 0 replies
    • 1.1k views

  19. Better than Mars Colonization in many aspects.

    By DeepSciences,
    • 3 replies
    • 919 views

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

    By spartan45,
    • 2 replies
    • 1.2k views

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

    By DeepSciences,
    • 1 reply
    • 633 views

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

    By JuliaAshley,   
    • 0 replies
    • 562 views

  23. What form might intelligent life take?

    By darkmatter42,
    • 9 replies
    • 981 views

  24. Space technology that can help us preserve our environment

    By bearnard55,
    • 7 replies
    • 1k views

  25. Dyson Sphere

    By darkmatter42,   
    • 5 replies
    • 569 views
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