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Science & Spaceflight

A place for all geeky and sciency discussions.

8,401 topics in this forum

  1. For Questions That Don't Merit Their Own Thread 1 2 3 4 363

    By Skyler4856,
    • 9.1k replies
    • 542.4k views

  2. Mission and Launch Index

    By Gargamel,
    • 23 replies
    • 8.2k views

  3. What is this place?

    By HarvesteR,
    • 2 replies
    • 18.5k views

  4. Proposal to market KSP2 as actual rocket trajectory simulator.

    By Exoscientist,
    • 17 replies
    • 339 views

  5. Side boosters

    By farmerben,
    • 7 replies
    • 114 views

  6. Model Rocket Vertical Landing

    By LordFerret,
    • 0 replies
    • 20 views

  7. [New] Space Launch System / Orion Discussion Thread 1 2 3 4 132

    By ZooNamedGames,
    • 3.3k replies
    • 220.7k views

  8. Is SLS outdated or just right 1 2

    By Andrew1233,
    • 40 replies
    • 1.9k views

  9. SpaceX Discussion Thread 1 2 3 4 1760

    By Skylon,   
    • 44k replies
    • 2.9m views

  10. S&Sf crew; fallback forum community? 1 2

    By JoeSchmuckatelli,
    • 26 replies
    • 619 views

  11. Science News Thread (for articles that don't relate to ongoing discussions) 1 2 3 4 47

    By JoeSchmuckatelli,
    • 1.2k replies
    • 63.3k views

  12. Arianespace launch thread 1 2 3 4 28

    By insert_name,   
    • 698 replies
    • 55.7k views

  13. Imperial versus metric 1 2 3 4 16

    By Camacha,
    • 397 replies
    • 31.7k views

  14. ULA launch and discussion thread 1 2 3 4 67

    By tater,   
    • 1.7k replies
    • 123.3k views

  15. New start-up aiming for a SSTO.

    By Exoscientist,
    • 13 replies
    • 548 views

  16. can anyone teach me some basic calculations in restricted 3-body problem

    By EwTE_H,
    • 1 reply
    • 121 views

  17. Fun Fact Thread! (previously fun fact for the day, not limited to 1 per day anymore.) 1 2 3 4 69

    By Hyperspace Industries,
    • 1.7k replies
    • 82.8k views

  18. Liquid oxygen rocket

    By darthvader15001,
    • 13 replies
    • 400 views

  19. Cleaning up Kessler syndrome

    By farmerben,
    • 21 replies
    • 552 views

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

    By farmerben,
    • 54 replies
    • 1.6k views

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

    By AckSed,
    • 57 replies
    • 2.1k views

  22. Upcoming Visible Nova in Corona Borealis 1 2 3

    By cubinator,
    • 51 replies
    • 2.1k views

  23. JAXA (& other Japanese) Launch and Discussion Thread 1 2 3 4 14

    By tater,
    • 348 replies
    • 29.5k views

  24. What If We Could Weaken Or Stop Entropy Within A Scifi Field?

    By Spacescifi,
    • 10 replies
    • 271 views

  25. Firefly Aerospace Discussion Thread 1 2 3 4 8

    By Ultimate Steve,
    • 199 replies
    • 16.1k views
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