Science & Spaceflight

8,361 topics in this forum

1. The SETI Thread 1 2

   By Akagi, April 4, 2022
   • 26 replies
   • 915 views
   • 
   • farmerben
   • February 19

2. What would Earth be like if Theia hadn't hit it?

   By Megalodon 720, August 29, 2014
   • 5 replies
   • 6.4k views
   • 
   • JoeSchmuckatelli
   • February 19

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

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

4. Surface transport for Martian volcanoes.

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

5. Day length on Deimos

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

6. X-37B 1 2 3 4 13

   By Kerbal01, May 7, 2017
   • 311 replies
   • 24.6k views
   • 
   • StrandedonEarth
   • February 10

7. Hyperloop 1 2 3 4

   By Spaceception, January 17, 2016
   • 75 replies
   • 5.8k views
   • 
   • magnemoe
   • February 10

8. totm oct 2023 NASA's OSIRIS-REx 1 2 3 4 18

   By archenemy_6, May 21, 2016
   • 438 replies
   • 36.7k views
   • 
   • StrandedonEarth
   • February 10

9. Ideas about Lunar station wanted...

   By zxzx, February 5   

   • lunar
   • lunar lander
   • (and 2 more)

      Tagged with:

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

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

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

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

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

12. Survey about Mars to gather ideas for a world

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

13. 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
    • 7.1k views
    • 
    • tater
    • January 25

14. 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
    • 10.1k views
    • 
    • JoeSchmuckatelli
    • January 22

15. Habitable Worlds Observatory

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

16. math question.

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

17. Crewed Warships VS Drone Warships In Scifi...

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

18. Planetary orbit shifts?

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

19. Project Longshot 1987-88

    By Spaceception, February 18, 2016   

    • interstellar travel
    • 23 replies
    • 4.5k views
    • 
    • Lhdev
    • January 8

20. Boom Supersonic

    By Royalswissarmyknife, January 3   

    • supersonic
    • passenger jet
    • (and 1 more)

       Tagged with:

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

21. Questions about Saturn V and Apollo

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

22. New European capsule thread 1 2

    By Stosh, August 8, 2022
    • 42 replies
    • 1.6k views
    • 
    • darthgently
    • December 31, 2023

23. Tips for improving FM Radio reception?

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

24. Soviet Outer Planets Probes

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

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

    By Mikki, December 27, 2023   

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