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Science & Spaceflight

A place for all geeky and sciency discussions.

8,476 topics in this forum

  1. Could a far-out dwarf planet have a thick hydrogen atmosphere?

    By SmartS=true,
    • 12 replies
    • 1.4k views

  2. I read that Orion would carry up to 6 astronauts, I wonder how NASA intends to achieve this? 1 2

    By Pawelk198604,
    • 33 replies
    • 2.8k views

  3. Home made Telescop mirror. Is it possible?

    By Arugela,
    • 16 replies
    • 2k views

  4. Blue Origin successfully lands a rocket stage that's flown to space 1 2 3

    By Streetwind,
    • 58 replies
    • 6k views

  5. Legalities of space mining - SPACE act of 2015 1 2 3 4

    By RainDreamer,
    • 75 replies
    • 7.8k views

  6. 3D-printed cars. 1 2

    By Exoscientist,
    • 31 replies
    • 4.1k views

  7. How to dismantle a planet 1 2

    By KAL 9000,
    • 42 replies
    • 3.7k views

  8. Real world throttle up (and down) times

    By Aser,
    • 14 replies
    • 3k views

  9. The River World Saga!

    By kiwi1960,
    • 4 replies
    • 893 views

  10. A trip through our solar system described using only the ten hundred most used words by SciShow

    By gooddog15,
    • 0 replies
    • 530 views

  11. Liekelihood of Adeline being Integrated into Ariane 6.

    By fredinno,
    • 5 replies
    • 816 views

  12. Gravitational lensing.

    By Aethon,
    • 1 reply
    • 825 views

  13. Unaccounted for mass in the Solar System?

    By More Boosters,
    • 4 replies
    • 1.1k views

  14. H-2A launch with Telstar 12V, 24th nov 6:23 UTC

    By Kryten,
    • 1 reply
    • 809 views

  15. 17th- and 18th-century widespread moon of Venus sightings - any explanations?

    By Findthepin1,
    • 2 replies
    • 756 views

  16. How reaction actually wheel works? 1 2

    By Pawelk198604,
    • 28 replies
    • 3.2k views

  17. Personal weapons in space. 1 2

    By RainDreamer,
    • 26 replies
    • 4.3k views

  18. How to calculate the lenght of a day in a moon?

    By kunok,
    • 1 reply
    • 776 views

  19. Hayabusa2 launches - tonight! 1 2

    By Streetwind,
    • 35 replies
    • 6.2k views

  20. Long March 5-On The Pad! Pics included

    By xenomorph555,
    • 13 replies
    • 2.2k views

  21. Dark matter galaxy

    By PB666,
    • 5 replies
    • 1.2k views

  22. Why no reheat cycles between turbine stages?

    By AeroGav,
    • 1 reply
    • 837 views

  23. How to deal with nose flip when parachutes deployed IRL

    By Xavven,
    • 10 replies
    • 2.7k views

  24. Visiting the inner moons of Jupiter

    By SomeGuy12,
    • 15 replies
    • 2.4k views

  25. Don't forget to stop and smell the flowers

    By RainDreamer,
    • 18 replies
    • 1.9k views
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