Science & Spaceflight

8,466 topics in this forum

1. The Space Review: you have done orbital refueling, but have you considered 'sub'orbital refueling?

   By DDE, February 4, 2020
   • 10 replies
   • 1.1k views
   • 
   • magnemoe
   • February 9, 2020

2. New claim at metallic hydrogen discovery

   By Dilir, January 29, 2020
   • 24 replies
   • 2.3k views
   • 
   • KerikBalm
   • February 8, 2020

3. I am making a Soyuz Replica

   By Rover 6428, January 21, 2020   

   • soyuz
   • recreation
   • (and 2 more)

      Tagged with:

     • soyuz
     • recreation
     • real life
     • 3d model
   • 2 replies
   • 822 views
   • 
   • Rover 6428
   • February 8, 2020

4. How would an intelligent predator interact with an intelligent prey species?

   By Souper, October 25, 2019   

   • sociology
   • ecology
   • (and 2 more)

      Tagged with:

     • sociology
     • ecology
     • predation
     • ecosystem
   • 24 replies
   • 2.2k views
   • 
   • kerbiloid
   • February 5, 2020

5. Origins of universe

   By Thoughtful411, January 31, 2020
   • 7 replies
   • 847 views
   • 
   • magnemoe
   • February 4, 2020

6. NASA Authorisation Bill 2019~

   By Guest, February 1, 2020
   • 3 replies
   • 527 views
   • 
   • Nuke
   • February 3, 2020

7. The Apollo Guidance Computer (AGC) - a deep dive.

   By KSK, February 2, 2020
   • 0 replies
   • 447 views
   • 
   • KSK
   • February 2, 2020

8. Changing Sol into Kerbol

   By sevenperforce, January 22, 2020
   • 20 replies
   • 1.2k views
   • 
   • kerbiloid
   • January 31, 2020

9. Rosatom rocket engine failure 1 2 3 4 12

   By Nothalogh, August 10, 2019
   • 294 replies
   • 26.6k views
   • 
   • kerbiloid
   • January 28, 2020

10. Launching lightcraft from the edge of space OR Rockets With No Gravity Turn

    By sevenperforce, January 22, 2020
    • 17 replies
    • 1.2k views
    • 
    • Flibble
    • January 27, 2020

11. Boeing withdraws from DARPA's Experimental Spaceplane Program

    By tater, January 22, 2020
    • 2 replies
    • 563 views
    • 
    • Wjolcz
    • January 23, 2020

12. NASA 3D printed Mars habitat concepts 1 2

    By tater, July 24, 2018
    • 46 replies
    • 4.7k views
    • 
    • farmerben
    • January 20, 2020

13. Orbital Mechanics in STAR WARS Blockades

    By Mars-Bound Hokie, January 12, 2020   

    • star wars
    • naboo
    • (and 3 more)

       Tagged with:

      • star wars
      • naboo
      • trade federation
      • blockade
      • phantom menace
    • 23 replies
    • 3.5k views
    • 
    • Starman4308
    • January 18, 2020

14. A Fictional Biology Question 1 2

    By Spacescifi, January 10, 2020
    • 36 replies
    • 2.4k views
    • 
    • kerbiloid
    • January 17, 2020

15. Oribtal calculations?

    By Rover 6428, January 9, 2020   

    • help
    • math
    • (and 3 more)

       Tagged with:

      • help
      • math
      • question
      • orbit
      • calculations
    • 8 replies
    • 1.1k views
    • 
    • tomf
    • January 15, 2020

16. How Long Would Scifi Space Travel Really Take?

    By Spacescifi, January 7, 2020
    • 17 replies
    • 1.9k views
    • 
    • PositronLance001
    • January 14, 2020

17. orbital mechanics presentation

    By jevry, January 14, 2020   

    • maths
    • school
    • (and 1 more)

       Tagged with:

      • maths
      • school
      • help
    • 0 replies
    • 512 views
    • 
    • jevry
    • January 14, 2020

18. Fan Thought Experiment

    By arkie87, January 13, 2020
    • 2 replies
    • 540 views
    • 
    • arkie87
    • January 14, 2020

19. Launching High Altitude weather ballon and holding it down to 13,000 feet.

    By Sarthak, January 12, 2020
    • 8 replies
    • 786 views
    • 
    • sevenperforce
    • January 13, 2020

20. Discovery of a 2nd Interstellar Object - C/2019 Q4 (Borisov)

    By EchoLima, September 13, 2019
    • 8 replies
    • 1.1k views
    • 
    • Scotius
    • January 10, 2020

21. A Cylindral Magnetic Nozzle... Would it Work Well?

    By Spacescifi, December 29, 2019
    • 20 replies
    • 2.3k views
    • 
    • Terwin
    • January 9, 2020

22. Liquids that don't boil at 0 ATM.

    By WestAir, December 29, 2019
    • 23 replies
    • 3.1k views
    • 
    • PositronLance001
    • January 9, 2020

23. Making ANY Scifi Spacecraft Hull Work

    By Spacescifi, January 5, 2020
    • 16 replies
    • 1.8k views
    • 
    • Nuke
    • January 9, 2020

24. The End Of The Scifi Arms Race 1 2 3

    By Spacescifi, January 3, 2020
    • 55 replies
    • 10.8k views
    • 
    • Spacescifi
    • January 8, 2020

25. Sea Dragon launch featured in 'For All Mankind' 1 2

    By DDE, December 22, 2019
    • 27 replies
    • 6.7k views
    • 
    • kerbiloid
    • January 8, 2020