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Science & Spaceflight

A place for all geeky and sciency discussions.

8,359 topics in this forum

  1. This Day in Aviation and Spaceflight History

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

  2. 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

  3. NASA general discussion thread 1 2

    By Mr.dobsonian,
    • 36 replies
    • 2.2k views

  4. Possible signs of possible ET Life.

    By Gargamel,
    • 20 replies
    • 715 views

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

    By Spacescifi,
    • 239 replies
    • 9k views

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

    By kerbalyeeter40,
    • 10 replies
    • 469 views

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

    By Spacescifi,
    • 2 replies
    • 256 views

  8. Could An Alien Earth Without Uranium Exist?

    By Spacescifi,
    • 6 replies
    • 365 views

  9. KARI/Korean satellite launch vehicle 2 thread

    By insert_name,   
    • 14 replies
    • 1.5k views

  10. New Horizons 1 2 3 4 80

    By r4pt0r,
    • 2k replies
    • 235.7k views

  11. Call for Constellation program related documents and presentations

    By SunlitZelkova,
    • 1 reply
    • 232 views

  12. The Current Space Event Thread

    By Kerbalsaurus,
    • 3 replies
    • 289 views

  13. Iranian Space Program (ISA) Thread

    By SunlitZelkova,
    • 0 replies
    • 228 views

  14. The Quest For Rapid Reusability

    By SunlitZelkova,
    • 13 replies
    • 488 views

  15. Historic Battle of Midway wrecks surveyed

    By Minmus Taster,
    • 21 replies
    • 1k views

  16. Scifi Space War... When Mission Kill Is Not Enough....

    By Spacescifi,
    • 3 replies
    • 249 views

  17. The Apollo Murders

    By darthgently,
    • 1 reply
    • 211 views

  18. Virgin Galactic, Branson's space venture 1 2 3 4 26

    By PB666,   
    • 642 replies
    • 43.4k views

  19. Would we need humans for an interplanetary economy?

    By Cosmic Sailor,
    • 4 replies
    • 191 views

  20. Interstellar Extinction Event 1 2

    By Kerbalsaurus,
    • 44 replies
    • 1.8k views

  21. Is this how the pyramids were built?!

    By Arugela,
    • 24 replies
    • 2.5k views

  22. Calculating fuel use?

    By Arugela,
    • 14 replies
    • 1.8k views

  23. LUCY 1 2

    By Mr.dobsonian,
    • 38 replies
    • 3k views

  24. How much dV and ISP do you need for a realistic interstellar ship?

    By farmerben,
    • 24 replies
    • 839 views

  25. What if the United States Launched the First Satellite?

    By Kerbalsaurus,
    • 3 replies
    • 346 views
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