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Science & Spaceflight

A place for all geeky and sciency discussions.

8,478 topics in this forum

  1. SABRE vs RAPIER

    By splashboom,   
    • 22 replies
    • 2.1k views

  2. Interstellar Interloper (A/2017 U1) 1 2 3 4 6

    By Nikolai,
    • 135 replies
    • 12.5k views

  3. Reverse chemistry model?

    By Arugela,
    • 5 replies
    • 730 views

  4. An Absurd But Nonetheless Interesting (perhaps) Question 1 2

    By Spacescifi,
    • 33 replies
    • 3.1k views

  5. Ascent profile efficiency

    By MAFman,
    • 10 replies
    • 1.1k views

  6. A Question Of Maneuverability In Space... Max Versus Limited

    By Spacescifi,
    • 7 replies
    • 521 views

  7. Best Point Defense Versus Space Battles.... Scifi and Real Life 1 2

    By Spacescifi,
    • 39 replies
    • 3k views

  8. hydrogen ISP in scramjet? 2000 ton oribal sto?! Now methalox or kerolox. FLYING AEROSPIKE!!?

    By Arugela,
    • 23 replies
    • 2.3k views

  9. The Key To Winning Any Deep Space War Using Rocket Propulsion

    By Spacescifi,
    • 7 replies
    • 485 views

  10. Optimal mobility technique for non-Earth-like terrestrial planets? 1 2 3

    By MKI,
    • 66 replies
    • 3.4k views

  11. Yesterday I played Universe Sandbox and I turned the sun into a black hole as it had a mass like the sun, nothing changed, but when I started playing with the mass of a black hole, the whole solar system started to crumble

    By Pawelk198604,   
    • 5 replies
    • 655 views

  12. Star Dash Effect On The View Scteen... Realistic Or Not?

    By Spacescifi,
    • 20 replies
    • 983 views

  13. Tonga eruption effect on climate for the coming few years.

    By Flying dutchman,
    • 6 replies
    • 653 views

  14. The possibility and ethics of contaminating Mars. (Split from SpaceX.) 1 2 3 4 6

    By SunlitZelkova,
    • 142 replies
    • 7.6k views

  15. Corona Proof of alien life?! 1 2 3

    By Arugela,
    • 72 replies
    • 3.6k views

  16. Orbital Spaceship Fleet Contruction

    By Spacescifi,
    • 12 replies
    • 934 views

  17. Aiming For Stars In Real-time LY Away 1 2

    By Spacescifi,
    • 27 replies
    • 1.8k views

  18. Space borne sports, music and snacks. 1 2

    By Hyperspace Industries,
    • 40 replies
    • 2.3k views

  19. Space Agencies Versus A Soft Scifi Setting

    By Spacescifi,
    • 5 replies
    • 455 views

  20. Recycling space junk.

    By Hyperspace Industries,
    • 12 replies
    • 2.3k views

  21. Starlink works great until the cats find out that the dish gives off a little heat on cold days.

    By NFUN,
    • 21 replies
    • 1.7k views

  22. How To Make An Anti-Matrix

    By Spacescifi,
    • 9 replies
    • 642 views

  23. Designing Alien Earths Based On Distance To The Sun

    By Spacescifi,
    • 4 replies
    • 369 views

  24. Propane/Nitrous oxide propellant?

    By caecilliusinhorto,
    • 6 replies
    • 726 views

  25. How To Make A Human Offshoot Who Won't Wipe Out Humanity 1 2 3

    By Spacescifi,
    • 55 replies
    • 2.8k views
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