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Science & Spaceflight

A place for all geeky and sciency discussions.

8,476 topics in this forum

  1. Fermi paradox - Alex Semenov's classification 1 2 3

    By Polnoch,   
    • 70 replies
    • 6.6k views

  2. Gravity-compensating Martian brachistochrone

    By sevenperforce,   
    • 14 replies
    • 1.8k views

  3. The Dark (seriously, very dark) future of human space flight 1 2 3 4 5

    By stellarator,
    • 120 replies
    • 17.3k views

  4. Ariane 6 is set to match (CURRENT) SpaceX F9 Prices Per Kg 1 2

    By fredinno,
    • 28 replies
    • 5.2k views

  5. Apollo 11 Mission in VR - Unbeleivable

    By lextacy,
    • 0 replies
    • 698 views

  6. What would be humanity's likeliest demise? 1 2 3 4 6

    By Atlas2342,
    • 125 replies
    • 11.2k views

  7. Spacelaunch alert app?

    By Agent86,
    • 2 replies
    • 696 views

  8. How to use the Oberth to do wierd things.

    By PB666,
    • 5 replies
    • 1k views

  9. Name the Moon petition to the IAU (Not mine) 1 2

    By Spaceception,
    • 49 replies
    • 4.4k views

  10. Mercury to transit the sun May 9. Get your telescopes ready now.

    By Aethon,
    • 7 replies
    • 1.2k views

  11. News Item: Why NASA is sending an inflatable house to space 1 2

    By SSgt Baloo,
    • 26 replies
    • 3.2k views

  12. Fitbit just saved a guy.

    By daniel l.,
    • 2 replies
    • 702 views

  13. NASA Titan Submarine mission proposal

    By Enorats,
    • 12 replies
    • 1.9k views

  14. Plasma window vacuum airship? 1 2

    By Angeltxilon,
    • 29 replies
    • 7.3k views

  15. some orbital mechanics / oberth thing I don't get

    By Laie,
    • 14 replies
    • 1.3k views

  16. Neil deGrasse Tyson thinks SpaceX is delusional about going to Mars 1 2 3 4

    By fredinno,
    • 79 replies
    • 8k views

  17. Fencing a drone.

    By daniel l.,
    • 2 replies
    • 838 views

  18. H+ social movement

    By Polnoch,   
    • 10 replies
    • 1.5k views

  19. New Apollo17.org is live in time for the 43rd anniversary of the mission 1 2

    By Sunshine,   
    • 35 replies
    • 3k views

  20. Venus occulted by the Moon

    By lajoswinkler,   
    • 2 replies
    • 798 views

  21. Stumped on an orbital mechanics problem...

    By GoSlash27,
    • 9 replies
    • 1.1k views

  22. Why undock and burn up cargo modules?

    By SgtSomeone,   
    • 14 replies
    • 2.1k views

  23. A new impact in Jupiter

    By Noobton,   
    • 23 replies
    • 2.4k views

  24. Transfer Energy

    By PB666,   
    • 2 replies
    • 956 views

  25. Sea Launch Sold!...to Boeing?

    By fredinno,
    • 14 replies
    • 2.5k views
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