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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.

1,482 topics in this forum

  1. Why Neutron star isn't called Proton star

    By Dandav,
    • 4 replies
    • 856 views

  2. What is Dark Matter and Dark Energy?

    By Vmedvil5,
    • 0 replies
    • 1.1k views

  3. Tipler Cylinders And The Temporal Paradox Device

    By Vmedvil2,
    • 3 replies
    • 1.1k views

  4. Where is Webb?

    By ArthurSmith,
    • 1 reply
    • 1.4k views

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

    By highdimensionman,
    • 2 replies
    • 927 views

  6. Origin of The Universe

    By Mayukh,
    • 2 replies
    • 1.3k views

  7. IS SPACE DISCRETE?

    By write4u,
    • 11 replies
    • 1.8k views

  8. Nuclear Reheat And Mars Terraformation

    By Vmedvil2,
    • 8 replies
    • 2.6k views

  9. Possible Message From Aliens Left In Crop Circle

    By Vmedvil2,
    • 4 replies
    • 1.3k views

  10. lagrange Points

    By ruko,
    • 4 replies
    • 2.8k views

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

    By Darky,   
    • 178 replies
    • 86.3k views

  12. Are Aliens Among Us: Dr. Michio Kaku

    By Vmedvil2,
    • 5 replies
    • 1.3k views

  13. My Theories Need Feedback

    By Forgotten,   
    • 1 reply
    • 2.3k views

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

    By Vmedvil2,
    • 2 replies
    • 1k views

  15. The Fermi Paradox With Neil deGrasse Tyson Video

    By Vmedvil2,
    • 0 replies
    • 720 views

  16. Do Interdimensional Aliens Exist?

    By Vmedvil2,
    • 0 replies
    • 1k views

  17. Better than Mars Colonization in many aspects.

    By DeepSciences,
    • 3 replies
    • 850 views

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

    By spartan45,
    • 2 replies
    • 1.1k views

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

    By DeepSciences,
    • 1 reply
    • 592 views

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

    By JuliaAshley,   
    • 0 replies
    • 527 views

  21. What form might intelligent life take?

    By darkmatter42,
    • 9 replies
    • 933 views

  22. Space technology that can help us preserve our environment

    By bearnard55,
    • 7 replies
    • 997 views

  23. Dyson Sphere

    By darkmatter42,   
    • 5 replies
    • 512 views

  24. space debris cleaning mission

    By bearnard55,
    • 4 replies
    • 587 views

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

    By Ricardo,
    • 11 replies
    • 984 views
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