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Science & Spaceflight

A place for all geeky and sciency discussions.

8,459 topics in this forum

  1. The Current Space Event Thread

    By Kerbalsaurus,
    • 3 replies
    • 474 views

  2. Iranian Space Program (ISA) Thread

    By SunlitZelkova,
    • 0 replies
    • 464 views

  3. The Quest For Rapid Reusability

    By SunlitZelkova,
    • 13 replies
    • 670 views

  4. Historic Battle of Midway wrecks surveyed

    By Minmus Taster,
    • 21 replies
    • 1.7k views

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

    By Spacescifi,
    • 3 replies
    • 396 views

  6. The Apollo Murders

    By darthgently,
    • 1 reply
    • 350 views

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

    By PB666,   
    • 642 replies
    • 48.8k views

  8. Would we need humans for an interplanetary economy?

    By Cosmic Sailor,
    • 4 replies
    • 309 views

  9. Interstellar Extinction Event 1 2

    By Kerbalsaurus,
    • 44 replies
    • 2.4k views

  10. Is this how the pyramids were built?!

    By Arugela,
    • 24 replies
    • 3.8k views

  11. Calculating fuel use?

    By Arugela,
    • 14 replies
    • 2.1k views

  12. LUCY 1 2

    By Mr.dobsonian,
    • 38 replies
    • 3.6k views

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

    By farmerben,
    • 24 replies
    • 1.4k views

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

    By Kerbalsaurus,
    • 3 replies
    • 841 views

  15. Alternatives To Scifi Shields In Space Combat Might Be More Interesting....

    By Spacescifi,
    • 13 replies
    • 707 views

  16. DPRK Space Program (NATGB) thread 1 2

    By steve9728,
    • 46 replies
    • 3k views

  17. When to do Oberth Maneuver and when not?

    By Kerbal2023,
    • 17 replies
    • 1.1k views

  18. Skyhooks

    By AstroWolfie,
    • 4 replies
    • 386 views

  19. Does a Rotating Laser Beam Drill Better Than a Non-Rotating Laser Beam?

    By Spacescifi,
    • 19 replies
    • 818 views

  20. Dinitrogen Tetroxide vs Nitric Acid

    By Silavite,   
    • 13 replies
    • 1.7k views

  21. PLD Space (Spain)

    By darthgently,
    • 0 replies
    • 270 views

  22. Space Race 2(?) Discussion Thread

    By TwoCalories,   
    • 17 replies
    • 1.1k views

  23. Mass Limits Apply To SSTOs Even When You Can Build Infinite Thrust Propulsion Engines....

    By Spacescifi,
    • 8 replies
    • 448 views

  24. Images.nasa.gov pictures thread

    By kspbutitscursed,
    • 1 reply
    • 221 views

  25. Alien Worlds Part Part Deux... Giant Mushrooms Instead Of Trees Sound Possible?

    By Spacescifi,
    • 9 replies
    • 602 views
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