Science & Spaceflight

8,375 topics in this forum

1. Any Modern Army That Could Actually Cope FIghting Against Superior Scifi Firepower?

   By Spacescifi, January 6
   • 24 replies
   • 612 views
   • 
   • farmerben
   • February 16

2. Surface transport for Martian volcanoes.

   By farmerben, February 10
   • 13 replies
   • 446 views
   • 
   • kerbiloid
   • February 12

3. Day length on Deimos

   By farmerben, February 11
   • 4 replies
   • 317 views
   • 
   • GluttonyReaper
   • February 12

4. X-37B 1 2 3 4 13

   By Kerbal01, May 7, 2017
   • 311 replies
   • 25.3k views
   • 
   • StrandedonEarth
   • February 10

5. Hyperloop 1 2 3 4

   By Spaceception, January 17, 2016
   • 75 replies
   • 6.1k views
   • 
   • magnemoe
   • February 10

6. Ideas about Lunar station wanted...

   By zxzx, February 5   

   • lunar
   • lunar lander
   • (and 2 more)

      Tagged with:

     • lunar
     • lunar lander
     • basebuilding
     • base
   • 14 replies
   • 671 views
   • 
   • zxzx
   • February 7

7. What if Earth had 2 moons? How would this affect the space race?

   By Pico1, January 28
   • 7 replies
   • 437 views
   • 
   • kerbiloid
   • January 30

8. Plumbing and Seals Between Rotating and Non-Rotating Station Modules.

   By Spaceception, January 26
   • 9 replies
   • 363 views
   • 
   • magnemoe
   • January 28

9. Survey about Mars to gather ideas for a world

   By SunlitZelkova, January 24
   • 23 replies
   • 520 views
   • 
   • SunlitZelkova
   • January 25

10. Launch/Spacecraft Provider Live-Coverage/Discussion Index 1 2 3

    By tater, February 24, 2018   

    • live
    • launch
    • (and 3 more)

       Tagged with:

      • live
      • launch
      • falcon
      • soyuz
      • ariane
    • 73 replies
    • 7.3k views
    • 
    • tater
    • January 25

11. U.S. Space Force Discussion Thread 1 2 3 4 7

    By Mars-Bound Hokie, May 11, 2020   

    • space force
    • u.s. space force
    • 161 replies
    • 10.6k views
    • 
    • JoeSchmuckatelli
    • January 22

12. Habitable Worlds Observatory

    By Spaceception, January 17
    • 1 reply
    • 232 views
    • 
    • JoeSchmuckatelli
    • January 22

13. math question.

    By Arugela, January 19
    • 2 replies
    • 282 views
    • 
    • StrandedonEarth
    • January 19

14. Crewed Warships VS Drone Warships In Scifi...

    By Spacescifi, January 14
    • 18 replies
    • 484 views
    • 
    • magnemoe
    • January 17

15. Planetary orbit shifts?

    By Vanamonde, December 27, 2023
    • 13 replies
    • 708 views
    • 
    • sevenperforce
    • January 10

16. Project Longshot 1987-88

    By Spaceception, February 18, 2016   

    • interstellar travel
    • 23 replies
    • 4.7k views
    • 
    • Lhdev
    • January 8

17. Boom Supersonic

    By Royalswissarmyknife, January 3   

    • supersonic
    • passenger jet
    • (and 1 more)

       Tagged with:

      • supersonic
      • passenger jet
      • Boom Supersonic
    • 1 reply
    • 383 views
    • 
    • SunlitZelkova
    • January 5

18. Questions about Saturn V and Apollo

    By Errol, January 3
    • 5 replies
    • 500 views
    • 
    • kerbiloid
    • January 5

19. Tips for improving FM Radio reception?

    By StrandedonEarth, December 24, 2023
    • 12 replies
    • 1.1k views
    • 
    • RCgothic
    • December 28, 2023

20. Soviet Outer Planets Probes

    By Kerbalsaurus, December 27, 2023
    • 9 replies
    • 481 views
    • 
    • kerbiloid
    • December 28, 2023

21. This guy measured "electron pressure" at home, worth seeing

    By Mikki, December 27, 2023   

    • DC
    • electricity
    • 2 replies
    • 329 views
    • 
    • Mikki
    • December 27, 2023

22. How Possible Through The Laws Of Physics Are Scifi Shapeshifter Races?

    By Spacescifi, December 24, 2023
    • 13 replies
    • 397 views
    • 
    • magnemoe
    • December 27, 2023

23. Questions About RCS For Scifi...

    By Spacescifi, December 23, 2023
    • 18 replies
    • 568 views
    • 
    • kerbiloid
    • December 26, 2023

24. The ultimate in offshoring: How cheap would heavy-lift have to become that manufacturing in orbit becomes viable? 1 2 3

    By AckSed, October 29, 2023
    • 56 replies
    • 1.7k views
    • 
    • darthgently
    • December 23, 2023

25. NASA general discussion thread 1 2

    By Mr.dobsonian, October 12, 2021
    • 36 replies
    • 2.3k views
    • 
    • Shpaget
    • December 20, 2023