Science & Spaceflight

8,470 topics in this forum

1. Talking Orcas

   By LordFerret, January 31, 2018
   • 17 replies
   • 1.3k views
   • 
   • kerbiloid
   • February 1, 2018

2. Boarding a vessel help 1 2

   By Jhorriga, January 24, 2018
   • 44 replies
   • 3.1k views
   • 
   • sevenperforce
   • January 31, 2018

3. A Question About Reaction Control Systems

   By Deus Zed Machina, December 25, 2017
   • 23 replies
   • 3.4k views
   • 
   • Deus Zed Machina
   • January 30, 2018

4. Voynich Manuscript Breakthrough

   By p1t1o, January 30, 2018
   • 15 replies
   • 1.2k views
   • 
   • p1t1o
   • January 30, 2018

5. It's official: the $30 million Google Lunar X-Prize will remain unclaimed 1 2

   By Streetwind, January 24, 2018   

   • x-prize
   • moonshot
   • (and 1 more)

      Tagged with:

     • x-prize
     • moonshot
     • commercial space
   • 30 replies
   • 2.8k views
   • 
   • Canopus
   • January 29, 2018

6. Realistic Number of Crew? 1 2

   By Piatzin, January 25, 2018
   • 40 replies
   • 2.4k views
   • 
   • YNM
   • January 29, 2018

7. Zuma Discussion 1 2 3 4 6

   By Racescort666, January 12, 2018   

   • zuma
   • 147 replies
   • 12.2k views
   • 
   • YNM
   • January 28, 2018

8. This video could almost be a training vid for KSP

   By Zeiss Ikon, December 26, 2017   

   • video
   • spaceflight
   • 12 replies
   • 1.8k views
   • 
   • DerekL1963
   • January 26, 2018

9. Methane fuel physical plant details 1 2

   By JohnDelvfar, January 23, 2018   

   • methane
   • rocket fuel
   • (and 3 more)

      Tagged with:

     • methane
     • rocket fuel
     • rocket fuel generation
     • mars fuel
     • sabatier
   • 39 replies
   • 3.1k views
   • 
   • Green Baron
   • January 26, 2018

10. Flat earther determined to prove that the earth is flat by going to space.

    By nascarlaser1, January 25, 2018
    • 1 reply
    • 461 views
    • 
    • Snark
    • January 25, 2018

11. Why do we keep destroying our own probes?

    By daniel l., January 25, 2018
    • 17 replies
    • 1.3k views
    • 
    • Starman4308
    • January 25, 2018

12. NASA still has some airplanes

    By mikegarrison, January 24, 2018
    • 8 replies
    • 856 views
    • 
    • YNM
    • January 25, 2018

13. Electric Airplanes, contra-rotating propellers 1 2 3

    By Northstar1989, October 26, 2017   

    • aircraft
    • planes
    • (and 3 more)

       Tagged with:

      • aircraft
      • planes
      • propellers
      • electric propulsion
      • sustainability
    • 57 replies
    • 8.7k views
    • 
    • YNM
    • January 25, 2018

14. So how about Moon 2020 1 2

    By Spudmeist3r, January 19, 2018
    • 34 replies
    • 2.4k views
    • 
    • kerbiloid
    • January 24, 2018

15. Supercarrier help 1 2 3 4 6

    By Jhorriga, January 16, 2018
    • 138 replies
    • 8.2k views
    • 
    • DDE
    • January 24, 2018

16. Space Factory/Assembly Station discussion

    By PB666, January 16, 2018   

    • construction
    • gateways
    • (and 1 more)

       Tagged with:

      • construction
      • gateways
      • exploration
    • 13 replies
    • 1.3k views
    • 
    • DDE
    • January 23, 2018

17. Excitonium! 1 2

    By Nikolai, January 19, 2018
    • 32 replies
    • 2.5k views
    • 
    • kerbiloid
    • January 23, 2018

18. Goverment shutdown and active space operations

    By hugix, January 21, 2018
    • 19 replies
    • 1.5k views
    • 
    • razark
    • January 22, 2018

19. What science discovery would you explain to a famous past scientist? 1 2 3

    By hypervelocity, January 17, 2018   

    • science
    • time machine
    • 54 replies
    • 3.5k views
    • 
    • kerbiloid
    • January 22, 2018

20. Really interesting manuall about rocket engines.

    By NSEP, June 3, 2017
    • 4 replies
    • 1k views
    • 
    • Kerbinchaser
    • January 19, 2018

21. Why specify the impulse?

    By Human Person, January 18, 2018
    • 24 replies
    • 1.3k views
    • 
    • PB666
    • January 19, 2018

22. Proposal for a crewed tether-centrifuge mission

    By Starman4308, January 18, 2018   

    • centrifuge
    • crewed mission
    • 12 replies
    • 1.1k views
    • 
    • Dman979
    • January 19, 2018

23. Commercial Crew Program

    By mikegarrison, January 18, 2018
    • 7 replies
    • 844 views
    • 
    • tater
    • January 18, 2018

24. say hello to the VSS unity

    By insert_name, February 20, 2016   

    • virgin galactic
    • 19 replies
    • 1.9k views
    • 
    • Matuchkin
    • January 17, 2018

25. Fall and Impact of a CZ-3B Booster 1 2

    By XB-70A, January 13, 2018   

    • longmarch
    • changzheng
    • 25 replies
    • 3.7k views
    • 
    • Pand5461
    • January 17, 2018