Science & Spaceflight

8,479 topics in this forum

1. Books with rockets and spaceships graphics?

   By Nivee~, March 22, 2019   

   • books
   • 9 replies
   • 1k views
   • 
   • Nivee~
   • March 24, 2019

2. Weird and wonderful space books

   By purpleivan, March 22, 2019
   • 1 reply
   • 453 views
   • 
   • p1t1o
   • March 22, 2019

3. Minimal Manned Mars Mission - 2*Briz = doable! + a NEA 1 2 3 4 5

   By DBowman, December 5, 2015
   • 114 replies
   • 13.8k views
   • 
   • kerbiloid
   • March 22, 2019

4. Do y'all think the Space-X Super heavy/Star ship would work out? 1 2 3 4 12

   By Cloakedwand72, January 20, 2019
   • 287 replies
   • 17.7k views
   • 
   • Silavite
   • March 20, 2019

5. orbital mechanic question

   By unlikethem, March 12, 2019
   • 23 replies
   • 1.9k views
   • 
   • sevenperforce
   • March 19, 2019

6. MIPT just reversed time... for a certain definition of time

   By DAL59, March 14, 2019
   • 9 replies
   • 894 views
   • 
   • YNM
   • March 15, 2019

7. How exactly do leading edge extensions cause more drag?

   By Schwarz, March 14, 2019
   • 7 replies
   • 1.2k views
   • 
   • MaverickSawyer
   • March 15, 2019

8. How is it possible that NASA lost its technology from the Apollo Program irretrievably? 1 2

   By Pawelk198604, March 3, 2019   

   • nasa
   • apollo
   • 45 replies
   • 6.8k views
   • 
   • mikegarrison
   • March 10, 2019

9. How are my calculations wrong?

   By Karol van Kermin, March 7, 2019
   • 8 replies
   • 877 views
   • 
   • Bill Phil
   • March 8, 2019

10. Mars Sample Return

    By KAL 9000, March 7, 2019
    • 2 replies
    • 4.1k views
    • 
    • DDE
    • March 7, 2019

11. Redirect asteroid by mining it for reaction mass? 1 2 3

    By zolotiyeruki, June 22, 2018
    • 51 replies
    • 3.1k views
    • 
    • Steven P
    • March 6, 2019

12. The Hubble Space Telescopes Main Camera is Down 1 2

    By James Kerman, October 9, 2018   

    • hubble gyro failure
    • 36 replies
    • 3.8k views
    • 
    • James Kerman
    • March 6, 2019

13. Apollo 11 (2019)

    By MaxwellsDemon, March 2, 2019
    • 6 replies
    • 861 views
    • 
    • MaxwellsDemon
    • March 5, 2019

14. Does it have the reentry effect when you go fast enough in real life??

    By The Spac, March 1, 2019
    • 23 replies
    • 1.9k views
    • 
    • DDE
    • March 5, 2019

15. SRBs, LESs, Ejection Seats & 100% Oxygen Atmosphere (split from SpaceX Discussion) 1 2 3

    By CatastrophicFailure, February 26, 2019   

    • atlas
    • shuttle
    • (and 3 more)

       Tagged with:

      • atlas
      • shuttle
      • srb
      • les
      • gemini
    • 56 replies
    • 3.6k views
    • 
    • sevenperforce
    • March 4, 2019

16. Do you think we are alone in the Milky Way? 1 2

    By caballerodiez, March 1, 2019
    • 44 replies
    • 2.2k views
    • 
    • kerbiloid
    • March 3, 2019

17. Venus probe Cosmos 482 likely to reenter within 1-2 years

    By HebaruSan, March 1, 2019
    • 15 replies
    • 1.3k views
    • 
    • kerbiloid
    • March 3, 2019

18. TMK? Anyone?

    By Salmon, March 1, 2019
    • 6 replies
    • 1.5k views
    • 
    • kerbiloid
    • March 1, 2019

19. How does software "work"? 1 2 3 4

    By Cheif Operations Director, February 21, 2019   

    • computers
    • coding
    • (and 2 more)

       Tagged with:

      • computers
      • coding
      • software
      • code
    • 79 replies
    • 7k views
    • 
    • magnemoe
    • February 28, 2019

20. Theory Hub: Post Your Space Theories! 1 2 3 4

    By ProtoJeb21, February 14, 2016   

    • theories
    • discussion
    • (and 1 more)

       Tagged with:

      • theories
      • discussion
      • science
    • 83 replies
    • 9.7k views
    • 
    • kerbiloid
    • February 28, 2019

21. TKS - better pictures?

    By G'th, October 11, 2017
    • 8 replies
    • 2k views
    • 
    • kerbiloid
    • February 25, 2019

22. Engine Layouts and Stage Duration

    By septemberWaves, February 20, 2019
    • 16 replies
    • 1.5k views
    • 
    • FleshJeb
    • February 22, 2019

23. Cold, Laser-Coupled Particle Beams

    By MatterBeam, February 18, 2019
    • 6 replies
    • 1.5k views
    • 
    • MatterBeam
    • February 20, 2019

24. LOFAR discovers evidence of hundreds of thousands of new galaxies

    By James Kerman, February 20, 2019   

    • lofar
    • low frequency array
    • (and 1 more)

       Tagged with:

      • lofar
      • low frequency array
      • astronomy
    • 4 replies
    • 525 views
    • 
    • James Kerman
    • February 20, 2019

25. Dust storm on Mars is threatening the Opportunity rover. 1 2 3 4 6

    By Scotius, June 11, 2018
    • 137 replies
    • 12.5k views
    • 
    • GDJ
    • February 17, 2019