Science & Spaceflight

8,460 topics in this forum

1. Tu-141 crashes in Zagreb 1 2 3

   By Shpaget, March 11, 2022
   • 71 replies
   • 6.5k views
   • 
   • JoeSchmuckatelli
   • March 27, 2023

2. Methods Of Refueling Torchships....

   By Spacescifi, March 26, 2023
   • 0 replies
   • 263 views
   • 
   • Spacescifi
   • March 26, 2023

3. Quantum drive to orbit

   By totalitor, March 22, 2023
   • 20 replies
   • 1.3k views
   • 
   • K^2
   • March 24, 2023

4. Space Resources ISRU Industry... Just What Can You Build Using ONLY Space Resources?

   By Spacescifi, March 17, 2023
   • 16 replies
   • 696 views
   • 
   • AckSed
   • March 22, 2023

5. Phantom Space discussion and updates

   By tater, April 14, 2021
   • 6 replies
   • 879 views
   • 
   • AckSed
   • March 22, 2023

6. LEGO City Space Agency

   By Kerbalsaurus, March 21, 2023
   • 3 replies
   • 361 views
   • 
   • AckSed
   • March 22, 2023

7. How To Safely Land Scifi Torchships On Any Inhabited World

   By Spacescifi, March 19, 2023
   • 16 replies
   • 1k views
   • 
   • K^2
   • March 21, 2023

8. A bit different model of universe

   By Jaak, March 15, 2023
   • 5 replies
   • 464 views
   • 
   • lajoswinkler
   • March 20, 2023

9. ULA CEO essay on launch vehicle optimization

   By ILikeIke, March 19, 2023
   • 2 replies
   • 453 views
   • 
   • ILikeIke
   • March 19, 2023

10. Sensationalist news on plastiglomerates

    By lajoswinkler, March 17, 2023   

    • anthropocene
    • plastiglomerate
    • 13 replies
    • 848 views
    • 
    • kerbiloid
    • March 19, 2023

11. liquid air fed scramjet?!

    By Arugela, March 16, 2023
    • 11 replies
    • 626 views
    • 
    • sevenperforce
    • March 16, 2023

12. China's moon lander.

    By Tweeker, March 13, 2023
    • 19 replies
    • 1.5k views
    • 
    • steve9728
    • March 16, 2023

13. sabre specifications?! Uses? Fantasy SSTO.

    By Arugela, March 15, 2023
    • 0 replies
    • 342 views
    • 
    • Arugela
    • March 15, 2023

14. Even If We Had Tiny High Density Power Sources We Still Would Not Have Handheld Phasers.... Right?

    By Spacescifi, March 12, 2023
    • 12 replies
    • 664 views
    • 
    • kerbiloid
    • March 13, 2023

15. arca steam powered booster? 1 2

    By Flying dutchman, May 3, 2019
    • 39 replies
    • 2.9k views
    • 
    • K^2
    • March 11, 2023

16. Which Energy Collecting Satelite Is Easier To Mass Produce?

    By Spacescifi, March 5, 2023
    • 20 replies
    • 942 views
    • 
    • Spacescifi
    • March 10, 2023

17. Triton's long lost twin.

    By Maria Sirona, March 3, 2023
    • 19 replies
    • 1.5k views
    • 
    • sevenperforce
    • March 9, 2023

18. Holy Smoke! More efficient electric motors with no rare earth minerals

    By darthgently, March 7, 2023
    • 21 replies
    • 839 views
    • 
    • darthgently
    • March 9, 2023

19. Antimatter Rocket-like Exhaust Plume... Very Little Expansion If Any in Upper Atmosphere?

    By Spacescifi, February 25, 2023
    • 5 replies
    • 444 views
    • 
    • kerbiloid
    • February 26, 2023

20. Hayabusa 2 on its way back to earth 1 2 3 4 9

    By insert_name, June 16, 2018   

    • asteroid
    • sample return
    • (and 1 more)

       Tagged with:

      • asteroid
      • sample return
      • jaxa
    • 211 replies
    • 21.4k views
    • 
    • tater
    • February 24, 2023

21. Way to apply yard stick to ground while standing. Tools, physics, balance?! 1 2

    By Arugela, February 6, 2023
    • 32 replies
    • 1.5k views
    • 
    • Arugela
    • February 24, 2023

22. Long tether to moon or mars? Whip it! Whip it good?!

    By Arugela, February 15, 2023
    • 6 replies
    • 629 views
    • 
    • DrNut
    • February 20, 2023

23. The Physics Of Methane Fire Spewing Tails... Safe for the User Or Not?

    By Spacescifi, February 19, 2023
    • 7 replies
    • 516 views
    • 
    • Spacescifi
    • February 20, 2023

24. Scifi Moon Solar Power Base...

    By Spacescifi, February 16, 2023
    • 19 replies
    • 862 views
    • 
    • KSK
    • February 18, 2023

25. Advanced Rocketry Seems More Wasteful From an ISRU Perspective Than Chemical Rocketry

    By Spacescifi, February 16, 2023
    • 11 replies
    • 989 views
    • 
    • Nuke
    • February 18, 2023