Science & Spaceflight

8,375 topics in this forum

1. Scifi Space Trade and Currency.... What Is Elite Dangerous Correct and Wrong About?

   By Spacescifi, March 3
   • 8 replies
   • 335 views
   • 
   • kerbiloid
   • March 4

2. Analyzing An Easy Peasy Method For First Contact With Low Orbit Tech Sapient Human-like Races...

   By Spacescifi, February 29
   • 23 replies
   • 535 views
   • 
   • kerbiloid
   • March 1

3. Scifi Question; If Rocket Thrust Could Be Inverted...

   By Spacescifi, February 29
   • 13 replies
   • 317 views
   • 
   • Spacescifi
   • March 1

4. An 50 minutes video about the Rocketdyne Tripropellant engine

   By magnemoe, February 26
   • 10 replies
   • 577 views
   • 
   • Davi SDF
   • March 1

5. Speculating on the current conditions of defunct probes. 1 2

   By Minmus Taster, February 26
   • 27 replies
   • 717 views
   • 
   • magnemoe
   • March 1

6. Maximum Mass Of A Scifi SSTO Versus The Most Common Mass and Crew Complement...

   By Spacescifi, February 24
   • 6 replies
   • 214 views
   • 
   • KSK
   • February 26

7. How livable is Titan?

   By Minmus Taster, February 22
   • 15 replies
   • 580 views
   • 
   • kerbiloid
   • February 28

8. What Could You Do With a 3 Yottaton Bomb?

   By Spacescifi, February 21
   • 15 replies
   • 496 views
   • 
   • KSK
   • February 23

9. Scifi Question: Is Governing An Interstellar Empire From The Past Feasible?

   By Spacescifi, February 19
   • 15 replies
   • 407 views
   • 
   • kerbiloid
   • February 23

10. If you had more payload capacity to the moon than you actually needed what would you take?

    By farmerben, February 19
    • 13 replies
    • 363 views
    • 
    • 55delta
    • February 22

11. Long term storage of fuel and oxidizer in space.

    By farmerben, February 18
    • 20 replies
    • 539 views
    • 
    • mikegarrison
    • March 7

12. Day length on Deimos

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

13. Surface transport for Martian volcanoes.

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

14. totm apr 2024 Voyager 1 in critical condition 1 2 3

    By Minmus Taster, February 8
    • 57 replies
    • 2.1k views
    • 
    • darthgently
    • April 23

15. 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

16. Is SLS outdated or just right 1 2

    By Andrew1233, February 1
    • 36 replies
    • 1.5k views
    • 
    • kerbiloid
    • April 21

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

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

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

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

19. Survey about Mars to gather ideas for a world

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

20. math question.

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

21. Habitable Worlds Observatory

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

22. Crewed Warships VS Drone Warships In Scifi...

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

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

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

24. Overview of all AI, not just LLMs 1 2 3

    By darthgently, January 5
    • 67 replies
    • 2.1k views
    • 
    • magnemoe
    • March 11

25. 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