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Science & Spaceflight

A place for all geeky and sciency discussions.

8,478 topics in this forum

  1. Antimatter... How To Handle It For Rocket Staging To Orbit?

    By Spacescifi,
    • 22 replies
    • 1.4k views

  2. BepiColombo double probe visit to Mercury

    By lajoswinkler,   
    • 23 replies
    • 4k views

  3. Thermonuclear Steam "Rocket" Engine

    By AtomicTech,   
    • 18 replies
    • 1.7k views

  4. Sun Guns Instead Of Lasers For Space Travel

    By Spacescifi,
    • 10 replies
    • 606 views

  5. Why bell nozzles?

    By Rutabaga22,
    • 7 replies
    • 712 views

  6. Would Imaging A Starship From Orbit Via A Telescope Be Possible?

    By Johnster_Space_Program,   
    • 16 replies
    • 1.4k views

  7. A reusable SLS? 1 2

    By Exoscientist,
    • 40 replies
    • 2.8k views

  8. Challenger

    By TotallyNotNile,
    • 1 reply
    • 420 views

  9. Macgyver ISRU, creative uses of regolith.

    By Hyperspace Industries,
    • 6 replies
    • 636 views

  10. I have upscaled images of Venus' surface using AI.

    By Astronomer,   
    • 5 replies
    • 4.3k views

  11. Tumbling (constant pitch) For Gravity Versus Rolling (constant roll) For Gravity 1 2

    By Spacescifi,
    • 25 replies
    • 1.3k views

  12. Neutron Mirrors... What If We had Them?

    By Spacescifi,
    • 3 replies
    • 367 views

  13. My explanation of ''Tic Tac'' UFO's 1 2 3 4

    By Serenity,
    • 90 replies
    • 8.7k views

  14. Large amount of data from early years of SETI@home is at risk of being lost forever

    By lajoswinkler,   
    • 14 replies
    • 975 views

  15. Could there be subsatellite galaxies.

    By awsumguy76801,
    • 3 replies
    • 624 views

  16. Russia/China cooperation

    By SunlitZelkova,
    • 3 replies
    • 570 views

  17. Spin Launch Tethered Missiles.... In Space?

    By Spacescifi,
    • 21 replies
    • 1k views

  18. Cryogenic Pods And Sonic Waves.....

    By Spacescifi,
    • 18 replies
    • 1.4k views

  19. On Flying Cars and Funky Batteries

    By sevenperforce,
    • 11 replies
    • 1.1k views

  20. The merits of Lunar resource mining versus mining on Earth 1 2 3

    By darthgently,
    • 58 replies
    • 2.8k views

  21. What's the most nonsense you've read in a 'space' article?

    By caecilliusinhorto,
    • 9 replies
    • 951 views

  22. If you could go anywhere in the solar system where would you go? 1 2 3 4

    By dharak1,
    • 86 replies
    • 11.6k views

  23. Gravitational reference point for every object in the universe 1 2

    By Ariggeldiggel,
    • 48 replies
    • 2.3k views

  24. Redifining Manned Spaceflight In Scifi

    By Spacescifi,
    • 12 replies
    • 826 views

  25. Railguns?

    By Arugela,
    • 3 replies
    • 457 views
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