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Science & Spaceflight

A place for all geeky and sciency discussions.

8,479 topics in this forum

  1. My multi-verse and black hole theory

    By Johnnyc,
    • 1 reply
    • 439 views

  2. Would polluting other planets be unethical? 1 2

    By Nightside,
    • 35 replies
    • 2.4k views

  3. Kepler-138 is...weird

    By ProtoJeb21,
    • 1 reply
    • 608 views

  4. WIP: Water in the system of Kerbol (Help wanted)

    By whirlwind,
    • 0 replies
    • 438 views

  5. Lasers, Mirrors and Star Pyramids

    By MatterBeam,   
    • 18 replies
    • 3k views

  6. Drag coefficient of my rocket

    By Azerty,
    • 23 replies
    • 4.5k views

  7. Mach Effect Thrusters: Humanity to the Stars 1 2

    By Zeiss Ikon,   
    • 32 replies
    • 5k views

  8. Fixing a multi meter?

    By Arugela,
    • 16 replies
    • 3.9k views

  9. Atlas Photo Dump

    By Racescort666,   
    • 2 replies
    • 738 views

  10. Artificial gravity wheels make people sick or other side affects?

    By CrashyMcCrashFace,
    • 14 replies
    • 1.1k views

  11. Theoretically, how close could any probe get to a star?

    By Ultimate Steve,
    • 9 replies
    • 809 views

  12. TRAPPIST-1 now has seven planets. (Possible life?) 1 2 3 4 13

    By _Augustus_,
    • 301 replies
    • 33.5k views

  13. Ozone oxidiser? 1 2 3

    By p1t1o,
    • 64 replies
    • 5.8k views

  14. New Telescope Tips

    By HeliosPh0enix,   
    • 16 replies
    • 1.7k views

  15. Flexible and ultra-lightweight polymer membrane lasers

    By DAL59,
    • 1 reply
    • 432 views

  16. New Chris Hadfield Masterclass

    By Norcalplanner,
    • 10 replies
    • 4k views

  17. NASA's IMAGE satellite may have come back to life

    By Starman4308,   
    • 8 replies
    • 1.2k views

  18. Europa water plumes and Galileo.

    By Canopus,
    • 1 reply
    • 578 views

  19. MARS COPTER CONFIRMED FOR 2020! 1 2

    By DAL59,
    • 33 replies
    • 2.8k views

  20. If BFR, then why FalconHeavy? 1 2

    By ArmchairPhysicist,
    • 32 replies
    • 3.2k views

  21. Why is Saturn I... Saturn? 1 2

    By Jestersage,
    • 35 replies
    • 2.8k views

  22. How height on Martian surface is determined if there are no seas ?

    By Pawelk198604,   
    • 6 replies
    • 1k views

  23. Want I want to see....

    By Gargamel,
    • 16 replies
    • 1.8k views

  24. have we observed the universe expanding? is that even possible?

    By Nuke,
    • 11 replies
    • 1.5k views

  25. Home made plant potters. Long term water efficiency.

    By Arugela,
    • 5 replies
    • 1.3k views
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