Science & Spaceflight

8,476 topics in this forum

1. Using Amercium RTGs for a reusable Manned Lunar Lander-Could it work? 1 2 3

   By fredinno, January 16, 2016   

   • moon
   • power
   • (and 1 more)

      Tagged with:

     • moon
     • power
     • amercium rtg
   • 57 replies
   • 5.1k views
   • 
   • fredinno
   • January 20, 2016

2. What would happen to a star... 1 2

   By Flybuild, January 15, 2016   

   • star
   • fusion
   • 25 replies
   • 2.7k views
   • 
   • YNM
   • January 20, 2016

3. Why did RP-1/H2O2 engines never took off? 1 2

   By fredinno, January 13, 2016   

   • rocket
   • engine
   • (and 1 more)

      Tagged with:

     • rocket
     • engine
     • peroxide
   • 31 replies
   • 9.9k views
   • 
   • DBowman
   • January 20, 2016

4. Plan an Interstellar Mission! 1 2 3

   By benjee10, February 20, 2015
   • 53 replies
   • 7.3k views
   • 
   • Spaceception
   • January 19, 2016

5. relativity questions

   By insert_name, January 19, 2016   

   • relativity
   • 1 reply
   • 605 views
   • 
   • K^2
   • January 19, 2016

6. Dinitrogen Pentoxide as an oxidizer?

   By SmartS=true, January 19, 2016
   • 1 reply
   • 1.1k views
   • 
   • Rune
   • January 19, 2016

7. Origin of Longitude

   By Tristavius, November 22, 2013
   • 5 replies
   • 2.6k views
   • 
   • AdamMil
   • January 19, 2016

8. Why is not a SSTO useful today? 1 2 3

   By Wesley01, January 9, 2016
   • 63 replies
   • 6.8k views
   • 
   • fredinno
   • January 19, 2016

9. Space related novels to read? 1 2

   By Evanitis, January 16, 2016
   • 32 replies
   • 3.6k views
   • 
   • architeuthis
   • January 19, 2016

10. Canada's New Fighter? 1 2

    By Laughing Man, January 8, 2016
    • 37 replies
    • 5.3k views
    • 
    • Alias72
    • January 19, 2016

11. SpaceX Jason-3 Mission & Live Stream - With info. about landing

    By Guest, January 17, 2016
    • 23 replies
    • 2.1k views
    • 
    • wumpus
    • January 18, 2016

12. Magnetic boots. Would an exoskeleton help?

    By SomeGuy123, January 16, 2016
    • 15 replies
    • 2.1k views
    • 
    • mikegarrison
    • January 18, 2016

13. Atomic Clocks and General Reliativity

    By TJH, January 17, 2016   

    • atomic clock
    • general relativity
    • 3 replies
    • 762 views
    • 
    • Tex_NL
    • January 18, 2016

14. Another massive black hole in our galaxy core

    By swjr-swis, January 18, 2016   

    • #blackhole
    • #notsagittarius
    • 0 replies
    • 471 views
    • 
    • swjr-swis
    • January 18, 2016

15. Adobe huts for mars

    By PB666, January 12, 2016   

    • mars colony
    • 20 replies
    • 2.2k views
    • 
    • DBowman
    • January 18, 2016

16. Are electric rockets possible?

    By Rdivine, January 16, 2016
    • 21 replies
    • 3.2k views
    • 
    • magnemoe
    • January 17, 2016

17. Moon, Ceres, and Asteroid mining/colony (2040-60)

    By Spaceception, January 16, 2016   

    • asteroids
    • mining
    • (and 1 more)

       Tagged with:

      • asteroids
      • mining
      • colony
    • 13 replies
    • 2.1k views
    • 
    • cubinator
    • January 17, 2016

18. LITERALLY No Velocity... 1 2 3

    By Matuchkin, January 11, 2016
    • 52 replies
    • 4.6k views
    • 
    • Exploro
    • January 17, 2016

19. Why should we terraform Mars? [Rant]

    By Clockwork13, January 17, 2016
    • 20 replies
    • 2.6k views
    • 
    • SargeRho
    • January 17, 2016

20. What if Minmus existed IRL?

    By Sanic, January 16, 2016   

    • minmus
    • 12 replies
    • 1.4k views
    • 
    • fredinno
    • January 16, 2016

21. Delta-V of an ICBM 1 2

    By Skyler4856, January 27, 2014
    • 25 replies
    • 8.6k views
    • 
    • Nothalogh
    • January 16, 2016

22. Lunar Dreams: Episode 7: ESA: The Moon Awakens Cancelled

    By fredinno, January 16, 2016
    • 2 replies
    • 722 views
    • 
    • Kaos
    • January 16, 2016

23. Outer moon colonization 1 2 3

    By Spaceception, January 14, 2016   

    • far-future space exploration
    • moon
    • (and 1 more)

       Tagged with:

      • far-future space exploration
      • moon
      • colony
    • 60 replies
    • 5.1k views
    • 
    • Spaceception
    • January 16, 2016

24. Anti-Matter and Black Hole drives

    By Spaceception, January 14, 2016   

    • antimatter
    • black holes
    • (and 1 more)

       Tagged with:

      • antimatter
      • black holes
      • advanced propulsion
    • 15 replies
    • 4.9k views
    • 
    • Spaceception
    • January 16, 2016

25. Maximizing Planet Densities

    By problemecium, January 15, 2016   

    • hypothetical
    • kerbin
    • (and 1 more)

       Tagged with:

      • hypothetical
      • kerbin
      • kerbol
    • 6 replies
    • 968 views
    • 
    • fredinno
    • January 16, 2016