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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. We are not alone. aliens are among us

    By atomsmasher,
    • 10 replies
    • 1.9k views

  2. The things that have been told to me

    By bitdaddy,
    • 2 replies
    • 963 views

  3. The carbon coated coin (Eden Shorthouse)

    By Edenjs,
    • 0 replies
    • 648 views

  4. Mars and the dim sun paradox

    By Moontanman,
    • 2 replies
    • 713 views

  5. Why Neutron star isn't called Proton star

    By Dandav,
    • 4 replies
    • 1.4k views

  6. What is Dark Matter and Dark Energy?

    By Vmedvil5,
    • 0 replies
    • 1.3k views

  7. Tipler Cylinders And The Temporal Paradox Device

    By Vmedvil2,
    • 3 replies
    • 1.7k views

  8. Where is Webb?

    By ArthurSmith,
    • 1 reply
    • 1.6k views

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

    By highdimensionman,
    • 2 replies
    • 1.2k views

  10. Origin of The Universe

    By Mayukh,
    • 2 replies
    • 1.7k views

  11. IS SPACE DISCRETE?

    By write4u,
    • 11 replies
    • 2.3k views

  12. Nuclear Reheat And Mars Terraformation

    By Vmedvil2,
    • 8 replies
    • 3.1k views

  13. lagrange Points

    By ruko,
    • 4 replies
    • 3.3k views

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

    By Darky,   
    • 178 replies
    • 89.9k views

  15. Are Aliens Among Us: Dr. Michio Kaku

    By Vmedvil2,
    • 5 replies
    • 1.6k views

  16. My Theories Need Feedback

    By Forgotten,   
    • 1 reply
    • 2.6k views

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

    By Vmedvil2,
    • 2 replies
    • 1.5k views

  18. The Fermi Paradox With Neil deGrasse Tyson Video

    By Vmedvil2,
    • 0 replies
    • 886 views

  19. Better than Mars Colonization in many aspects.

    By DeepSciences,
    • 3 replies
    • 1.1k views

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

    By spartan45,
    • 2 replies
    • 1.3k views

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

    By DeepSciences,
    • 1 reply
    • 731 views

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

    By JuliaAshley,   
    • 0 replies
    • 674 views

  23. What form might intelligent life take?

    By darkmatter42,
    • 9 replies
    • 1.2k views

  24. Space technology that can help us preserve our environment

    By bearnard55,
    • 7 replies
    • 1.2k views

  25. Dyson Sphere

    By darkmatter42,   
    • 5 replies
    • 809 views
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