Science & Spaceflight

8,461 topics in this forum

1. Nikolai Kardashev, he of the Kardashev Scale, has passed away yesterday

   By DDE, August 4, 2019
   • 1 reply
   • 536 views
   • 
   • tater
   • August 4, 2019

2. Would a Fuel+Oxidizer piston engine be more efficient then simple rockets?

   By coyotesfrontier, August 1, 2019
   • 20 replies
   • 1.3k views
   • 
   • Snark
   • August 3, 2019

3. A step over repopulating coral reefs

   By WinkAllKerb'', July 23, 2019
   • 22 replies
   • 1.4k views
   • 
   • mikegarrison
   • August 1, 2019

4. Z-2 & xEMU Spacesuit Development

   By jadebenn, August 1, 2019   

   • nasa
   • spacesuit
   • 5 replies
   • 2.3k views
   • 
   • kerbiloid
   • August 1, 2019

5. Is hyperfission an easier goal than fusion? 1 2 3 4

   By Spacescifi, July 26, 2019
   • 77 replies
   • 7.2k views
   • 
   • sgt_flyer
   • August 1, 2019

6. What trans-human modifications would you make? 1 2

   By farmerben, July 25, 2019
   • 48 replies
   • 3k views
   • 
   • kerbiloid
   • July 30, 2019

7. Are ground-based telescopes obolete?

   By Mitchz95, July 27, 2019
   • 12 replies
   • 1.4k views
   • 
   • YNM
   • July 29, 2019

8. NASA's Deep Space Gateway 1 2 3 4

   By Xemina, October 29, 2018
   • 81 replies
   • 7.4k views
   • 
   • tater
   • July 28, 2019

9. Why seperate elevons from ailerons?

   By FishInferno, December 1, 2014
   • 8 replies
   • 5.6k views
   • 
   • Snark
   • July 25, 2019

10. “HeH2O” ...Wait, what?

    By DDE, July 24, 2019
    • 4 replies
    • 855 views
    • 
    • Guest
    • July 25, 2019

11. Constant acceleration VS momentum shift

    By Spacescifi, July 19, 2019
    • 7 replies
    • 800 views
    • 
    • Cunjo Carl
    • July 24, 2019

12. How not to get lost with FTL jumps? 1 2

    By Spacescifi, July 22, 2019
    • 35 replies
    • 2.7k views
    • 
    • Nuke
    • July 24, 2019

13. Off loading cargo from landing stage

    By Jestersage, July 23, 2019
    • 2 replies
    • 460 views
    • 
    • Jestersage
    • July 24, 2019

14. First contact protocol for fictional aliens... 1 2

    By Spacescifi, July 16, 2019
    • 44 replies
    • 2.4k views
    • 
    • kerbiloid
    • July 23, 2019

15. Share your favorite pictures and vids from the apollo program!

    By Flying dutchman, July 20, 2019
    • 8 replies
    • 706 views
    • 
    • Kaa253
    • July 22, 2019

16. SLS is not flying in 2020.

    By tater, July 21, 2019
    • 3 replies
    • 623 views
    • 
    • tater
    • July 21, 2019

17. NASA SLS/Orion/Payloads 1 2 3 4 122

    By _Augustus_, April 28, 2017
    • 3k replies
    • 224.2k views
    • 
    • Vanamonde
    • July 21, 2019

18. Recycling Cans: Future uses of ISS modules

    By Nightside, July 14, 2019   

    • iss
    • speculation
    • 14 replies
    • 1.1k views
    • 
    • NSEP
    • July 20, 2019

19. Apollo 11 in real time

    By tater, June 25, 2019
    • 14 replies
    • 1.4k views
    • 
    • tater
    • July 20, 2019

20. How many engineers does it take to...

    By quasarrgames, October 30, 2015
    • 15 replies
    • 5k views
    • 
    • Knightfire
    • July 20, 2019

21. Good Scifi Rocket Nozzle Designs... Less vs more nozzles

    By Spacescifi, July 18, 2019
    • 9 replies
    • 687 views
    • 
    • Nuke
    • July 18, 2019

22. Basic electricity question

    By farmerben, July 12, 2019
    • 14 replies
    • 1.2k views
    • 
    • Nuke
    • July 18, 2019

23. Scifi eyes 1 2 3

    By Spacescifi, July 12, 2019
    • 50 replies
    • 3.7k views
    • 
    • KSK
    • July 17, 2019

24. Apollo 11 50th

    By Kerbinchaser, July 17, 2019   

    • apollo
    • apollo50th
    • (and 2 more)

       Tagged with:

      • apollo
      • apollo50th
      • memories
      • 50th
    • 2 replies
    • 696 views
    • 
    • Kerbinchaser
    • July 17, 2019

25. Mass Problems with propellant from the Moon 1 2

    By RuBisCO, July 12, 2019
    • 44 replies
    • 2.8k views
    • 
    • RuBisCO
    • July 16, 2019