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Science & Spaceflight

A place for all geeky and sciency discussions.

8,354 topics in this forum

  1. What if Earth had 2 moons? How would this affect the space race?

    By Pico1,
    • 7 replies
    • 372 views

  2. Plumbing and Seals Between Rotating and Non-Rotating Station Modules.

    By Spaceception,
    • 9 replies
    • 319 views

  3. Survey about Mars to gather ideas for a world

    By SunlitZelkova,
    • 23 replies
    • 445 views

  4. Launch/Spacecraft Provider Live-Coverage/Discussion Index 1 2 3

    By tater,   
    • 73 replies
    • 7k views

  5. U.S. Space Force Discussion Thread 1 2 3 4 7

    By Mars-Bound Hokie,   
    • 161 replies
    • 10k views

  6. Habitable Worlds Observatory

    By Spaceception,
    • 1 reply
    • 197 views

  7. math question.

    By Arugela,
    • 2 replies
    • 250 views

  8. Crewed Warships VS Drone Warships In Scifi...

    By Spacescifi,
    • 18 replies
    • 386 views

  9. Planetary orbit shifts?

    By Vanamonde,
    • 13 replies
    • 614 views

  10. Project Longshot 1987-88

    By Spaceception,   
    • 23 replies
    • 4.5k views

  11. Boom Supersonic

    By Royalswissarmyknife,   
    • 1 reply
    • 341 views

  12. Questions about Saturn V and Apollo

    By Errol,
    • 5 replies
    • 426 views

  13. New European capsule thread 1 2

    By Stosh,
    • 42 replies
    • 1.5k views

  14. Tips for improving FM Radio reception?

    By StrandedonEarth,
    • 12 replies
    • 638 views

  15. Soviet Outer Planets Probes

    By Kerbalsaurus,
    • 9 replies
    • 356 views

  16. This guy measured "electron pressure" at home, worth seeing

    By Mikki,   
    • 2 replies
    • 288 views

  17. How Possible Through The Laws Of Physics Are Scifi Shapeshifter Races?

    By Spacescifi,
    • 13 replies
    • 349 views

  18. Questions About RCS For Scifi...

    By Spacescifi,
    • 18 replies
    • 471 views

  19. This Day in Aviation and Spaceflight History

    By Mars-Bound Hokie,   
    • 24 replies
    • 1.7k views

  20. The ultimate in offshoring: How cheap would heavy-lift have to become that manufacturing in orbit becomes viable? 1 2 3

    By AckSed,
    • 56 replies
    • 1.5k views

  21. NASA general discussion thread 1 2

    By Mr.dobsonian,
    • 36 replies
    • 2.1k views

  22. Possible signs of possible ET Life.

    By Gargamel,
    • 20 replies
    • 703 views

  23. Why I Do Not Fear AI... 1 2 3 4 10

    By Spacescifi,
    • 239 replies
    • 8.9k views

  24. Does anyone have the STS-80 Onboard Re-entry footage?

    By kerbalyeeter40,
    • 10 replies
    • 454 views

  25. Molten Metal Batteries... The Future and Better Battery Due To Replace Lithium Ion?

    By Spacescifi,
    • 2 replies
    • 253 views
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