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Science & Spaceflight

A place for all geeky and sciency discussions.

8,482 topics in this forum

  1. Bad science in fiction Hall of Shame 1 2 3 4 107

    By peadar1987,
    • 2.7k replies
    • 222.8k views

  2. Starlink Thread (split from SpaceX) 1 2 3 4 26

    By DAL59,
    • 634 replies
    • 53.4k views

  3. Aurora visible in Indiana and Kentucky again

    By JoeSchmuckatelli,
    • 8 replies
    • 363 views

  4. Fuel Types 1 2

    By Kerbalsaurus,
    • 45 replies
    • 4.2k views

  5. Radian Aerospace 1 2

    By StrandedonEarth,
    • 26 replies
    • 2.5k views

  6. A different angle on Butch, Starliner, fate, and opportunity

    By darthgently,   
    • 3 replies
    • 380 views

  7. Ethanol fuel cells engines and jets

    By farmerben,
    • 8 replies
    • 447 views

  8. Off-planet manufacturing (split from SpaceX) 1 2 3 4

    By Elthy,
    • 93 replies
    • 6.7k views

  9. terraforming mars... by digging. 1 2

    By Nuke,
    • 27 replies
    • 1.4k views

  10. Polaris Dawn 1 2

    By darthgently,   
    • 34 replies
    • 2.4k views

  11. Pros and Cons Of Colonizing A Carboniferous Period Earthlike Planet..

    By Spacescifi,
    • 4 replies
    • 406 views

  12. Kennedy Space Center trip - suggestions?

    By JoeSchmuckatelli,
    • 7 replies
    • 514 views

  13. Spacesuits 1 2 3 4 5

    By tater,
    • 110 replies
    • 7.8k views

  14. Why is it better to destroy the ISS than to elevate it to a graveyard orbit? 1 2 3

    By farmerben,
    • 61 replies
    • 3.7k views

  15. Anatomically Correct Jet Engine Capable Creature...

    By Spacescifi,
    • 21 replies
    • 836 views

  16. Maximum Acceleration Due to Buoyancy 1 2

    By arkie87,
    • 31 replies
    • 5.5k views

  17. Realistic Wormhole Protocol VS Star Trek...

    By Spacescifi,
    • 1 reply
    • 340 views

  18. Reflect Orbital

    By Shpaget,
    • 2 replies
    • 695 views

  19. Alternate History: How Would Technology Develop....

    By Spacescifi,
    • 11 replies
    • 644 views

  20. "Great American Eclipse" II: April 8 2024 1 2 3 4 12

    By cubinator,
    • 284 replies
    • 11.7k views

  21. Knowledge Is Power... Only If You Have The Will To Use It.... 1 2

    By Spacescifi,
    • 38 replies
    • 1.5k views

  22. Lunar Environmental Challenges

    By darthgently,   
    • 9 replies
    • 741 views

  23. Angela Collier is my new favorite

    By mikegarrison,
    • 1 reply
    • 379 views

  24. Engineers needed. Question about fouling factors in heat exchangers

    By king of nowhere,
    • 6 replies
    • 488 views

  25. fission fragment propulsion

    By farmerben,
    • 12 replies
    • 569 views
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