Science & Spaceflight

8,479 topics in this forum

1. How big is optimal for a scifi starship? 1 2

   By Spacescifi, June 23, 2019
   • 48 replies
   • 3.3k views
   • 
   • wumpus
   • June 26, 2019

2. Your solution to prevent constant acceleration WMD 1 2

   By Spacescifi, May 30, 2019
   • 33 replies
   • 3k views
   • 
   • Starstruck69
   • June 25, 2019

3. Happy Birthday Hermann Oberth

   By AHHans, June 25, 2019
   • 0 replies
   • 460 views
   • 
   • AHHans
   • June 25, 2019

4. Two Earth-mass planets in the Habitable Zone of Teegarden’s Star

   By ProtoJeb21, June 18, 2019
   • 13 replies
   • 1.6k views
   • 
   • UmbralRaptor
   • June 25, 2019

5. Naming a Moon Base? 1 2 3

   By Ol’ Musky Boi, June 20, 2019
   • 53 replies
   • 3.9k views
   • 
   • kerbiloid
   • June 24, 2019

6. Lunar calculations NASA

   By Starstruck69, June 23, 2019
   • 0 replies
   • 403 views
   • 
   • Starstruck69
   • June 23, 2019

7. Mars Direct 2.0

   By NSEP, June 20, 2019
   • 17 replies
   • 1.4k views
   • 
   • magnemoe
   • June 22, 2019

8. Something for the Mün mission enthousiasts

   By Stuntel, June 18, 2019
   • 5 replies
   • 697 views
   • 
   • purpleivan
   • June 20, 2019

9. Using gas bombs to deorbit space debris?

   By Mitchz95, June 18, 2019
   • 6 replies
   • 872 views
   • 
   • Cunjo Carl
   • June 19, 2019

10. Snoopy may have been found

    By PakledHostage, June 17, 2019
    • 4 replies
    • 691 views
    • 
    • magnemoe
    • June 17, 2019

11. What are NASA's odds for landing on the Moon in 5 years? 1 2 3 4 5

    By Cunjo Carl, April 13, 2019
    • 107 replies
    • 7.3k views
    • 
    • Guest
    • June 15, 2019

12. How high can you count on 10 fingers?

    By Nightside, June 12, 2019
    • 21 replies
    • 3.6k views
    • 
    • WinkAllKerb''
    • June 14, 2019

13. Oxcart-Polaris air-lofted SLV

    By DDE, June 10, 2019   

    • oxcart
    • andiwasneverhere
    • 8 replies
    • 851 views
    • 
    • magnemoe
    • June 13, 2019

14. Lithium Boron salts on spallation targets

    By farmerben, June 2, 2019
    • 10 replies
    • 1.1k views
    • 
    • kerbiloid
    • June 13, 2019

15. How much physical space would an exabyte of data require? 1 2

    By daniel l., May 4, 2019
    • 33 replies
    • 3.9k views
    • 
    • Lukaszenko
    • June 12, 2019

16. Numerical methods to calculate solidification/melting fronts 1 2

    By Nivee~, May 28, 2019   

    • cfd
    • 34 replies
    • 2.8k views
    • 
    • Cunjo Carl
    • June 12, 2019

17. Optimal shape for massive SSTO scifi spaceships 1 2

    By Spacescifi, June 6, 2019
    • 40 replies
    • 2k views
    • 
    • Rakaydos
    • June 11, 2019

18. Possible resurrection of the X-33?

    By BillKerman1234, May 29, 2019
    • 19 replies
    • 2.8k views
    • 
    • Nuke
    • June 10, 2019

19. NASA playlist

    By sjwt, June 8, 2019
    • 6 replies
    • 946 views
    • 
    • Shpaget
    • June 8, 2019

20. How feasible would a nuclear thermal plasma jet rocket be?

    By Spacescifi, June 5, 2019
    • 13 replies
    • 1.3k views
    • 
    • RocketSquid
    • June 6, 2019

21. Kerbal Space Program Unofficial Model Rocketry Megathread 1 2 3

    By TeslaPenguin1, September 10, 2018   

    • model rocket
    • model rocketry
    • 55 replies
    • 5.6k views
    • 
    • Ultimate Steve
    • June 4, 2019

22. Fluid Dynamics Simulation

    By Azimech, April 29, 2014
    • 12 replies
    • 2.9k views
    • 
    • Paul_Productions
    • May 31, 2019

23. Communication interference for Apollo

    By tomf, May 31, 2019
    • 0 replies
    • 416 views
    • 
    • tomf
    • May 31, 2019

24. Is it possible to do a direct accent mission to the moon? 1 2

    By VictoryNeverFail, May 29, 2019   

    • moon
    • direct accent
    • 37 replies
    • 3.3k views
    • 
    • tater
    • May 31, 2019

25. Space lanes?

    By Nich, May 29, 2019
    • 10 replies
    • 1k views
    • 
    • Nich
    • May 30, 2019