Science & Spaceflight

8,461 topics in this forum

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

   By Spacescifi, June 5, 2019
   • 13 replies
   • 1.2k views
   • 
   • RocketSquid
   • June 6, 2019

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

   By TeslaPenguin1, September 10, 2018   

   • model rocket
   • model rocketry
   • 55 replies
   • 5.4k views
   • 
   • Ultimate Steve
   • June 4, 2019

3. Fluid Dynamics Simulation

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

4. Communication interference for Apollo

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

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

   By VictoryNeverFail, May 29, 2019   

   • moon
   • direct accent
   • 37 replies
   • 3.2k views
   • 
   • tater
   • May 31, 2019

6. Space lanes?

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

7. The sun as a photon rocket

   By Spacescifi, May 24, 2019
   • 13 replies
   • 1.1k views
   • 
   • DAL59
   • May 30, 2019

8. Fictional aliens must be different than humans 1 2

   By Spacescifi, May 21, 2019
   • 37 replies
   • 2.2k views
   • 
   • kerbiloid
   • May 30, 2019

9. Observing Starlink(s) in the sky

   By lajoswinkler, May 29, 2019   

   • starlink
   • spacex
   • (and 1 more)

      Tagged with:

     • starlink
     • spacex
     • tracking
   • 1 reply
   • 523 views
   • 
   • Brotoro
   • May 29, 2019

10. The moon and magnets on mars

    By Spacescifi, May 24, 2019
    • 16 replies
    • 1.1k views
    • 
    • kerbiloid
    • May 29, 2019

11. Hermeus supersonic airliner 1 2

    By Shpaget, May 14, 2019
    • 34 replies
    • 2.5k views
    • 
    • mikegarrison
    • May 29, 2019

12. Gimballed nozzle thrust vectoring VS fixed nozzle thrust vectoring

    By Spacescifi, May 26, 2019
    • 8 replies
    • 1.4k views
    • 
    • kerbiloid
    • May 29, 2019

13. Starship, how many decades did we loose? 1 2 3

    By magnemoe, May 16, 2019
    • 71 replies
    • 3.8k views
    • 
    • IncongruousGoat
    • May 29, 2019

14. Why have multiple rocket nozzles on scifi spaceships?

    By Spacescifi, May 25, 2019
    • 14 replies
    • 1.7k views
    • 
    • Starhawk
    • May 29, 2019

15. Starlink shape

    By MajorTomtom, May 28, 2019
    • 3 replies
    • 1k views
    • 
    • mikegarrison
    • May 28, 2019

16. X-30 Question

    By SRB, May 26, 2019   

    • ssto
    • comparison
    • 9 replies
    • 837 views
    • 
    • Guest
    • May 27, 2019

17. plane info request

    By Jestersage, May 27, 2019
    • 7 replies
    • 727 views
    • 
    • SRB
    • May 27, 2019

18. A candidate Earth Analog in Kepler data revealed by deep learning

    By HabPlanet, May 17, 2019
    • 17 replies
    • 1.5k views
    • 
    • Hypercosmic
    • May 27, 2019

19. Starship Lite, tested in KSP

    By MatterBeam, May 26, 2019
    • 5 replies
    • 2k views
    • 
    • magnemoe
    • May 26, 2019

20. How safe is fusion rocket exhaust in the air?

    By Spacescifi, May 26, 2019
    • 8 replies
    • 973 views
    • 
    • farmerben
    • May 26, 2019

21. Culture names and Maydays (split from SpaceX) 1 2

    By Guest, May 22, 2019   

    • spacex
    • 32 replies
    • 1.8k views
    • 
    • kerbiloid
    • May 25, 2019

22. Recovering Snoopy

    By Gargamel, May 21, 2019
    • 16 replies
    • 1.4k views
    • 
    • magnemoe
    • May 24, 2019

23. BOINC

    By Gargamel, August 18, 2018
    • 11 replies
    • 1.2k views
    • 
    • Gargamel
    • May 24, 2019

24. Weightlessness for only hours and deep space life sustainment 1 2

    By Spacescifi, May 21, 2019
    • 30 replies
    • 2.7k views
    • 
    • RocketSquid
    • May 23, 2019

25. Slingshot acceleration from alpha centauri?

    By farmerben, May 22, 2019
    • 1 reply
    • 405 views
    • 
    • UmbralRaptor
    • May 23, 2019