Science & Spaceflight

8,476 topics in this forum

1. LEO GPS Sats

   By fredinno, March 21, 2016
   • 4 replies
   • 702 views
   • 
   • Steel
   • March 22, 2016

2. Mars probes orbit adjustment

   By akron, March 21, 2016
   • 9 replies
   • 1.1k views
   • 
   • fredinno
   • March 21, 2016

3. Parachute Testing

   By Saeed, March 20, 2016
   • 7 replies
   • 1.8k views
   • 
   • Snikersnee
   • March 21, 2016

4. Elements 1 2 3

   By SuperFastJellyfish, March 16, 2016
   • 50 replies
   • 5.4k views
   • 
   • GeneralVeers
   • March 21, 2016

5. Hauntingly beautiful ride along with Space Shuttle boosters

   By Kobymaru, March 20, 2016   

   • video
   • space shuttle
   • 2 replies
   • 846 views
   • 
   • PB666
   • March 20, 2016

6. Testing ablation on resonance thrusters

   By PB666, March 20, 2016   

   • rf resonance thruster
   • cannae
   • 0 replies
   • 581 views
   • 
   • PB666
   • March 20, 2016

7. Harnassing the power of the big bang

   By PB666, March 16, 2016   

   • bad ideas
   • quantum gravity
   • (and 1 more)

      Tagged with:

     • bad ideas
     • quantum gravity
     • really bad ideas
   • 22 replies
   • 1.9k views
   • 
   • PB666
   • March 20, 2016

8. Falcon Heavy for moon shot 1 2 3 4

   By sevenperforce, March 13, 2016   

   • spacex
   • 84 replies
   • 7.8k views
   • 
   • Nibb31
   • March 20, 2016

9. Embrittlement caused by liquid hydrogen and other materials effects of cryogenics temps

   By kunok, March 18, 2016   

   • materials
   • cryogenic
   • (and 1 more)

      Tagged with:

     • materials
     • cryogenic
     • hydrogen
   • 8 replies
   • 1.9k views
   • 
   • fredinno
   • March 20, 2016

10. Space Race alternate history; What if the USA and USSR did a co op to the Moon?

    By Spaceception, March 17, 2016
    • 18 replies
    • 2.4k views
    • 
    • GoSlash27
    • March 19, 2016

11. ULA Executive talks about SpaceX being not profitable 1 2

    By Basto, March 17, 2016
    • 43 replies
    • 4.5k views
    • 
    • kunok
    • March 19, 2016

12. Gravity versus atmospheric pressure 1 2

    By Mitchz95, March 15, 2016   

    • gravity
    • atmospheric pressure
    • (and 1 more)

       Tagged with:

      • gravity
      • atmospheric pressure
      • question
    • 41 replies
    • 5.3k views
    • 
    • Yourself
    • March 19, 2016

13. Couldn't the New Horizon had a impact probe for pluto?

    By omelaw, March 14, 2016
    • 15 replies
    • 1.6k views
    • 
    • Exploro
    • March 19, 2016

14. Do we live in a 4D world?

    By Rdivine, March 17, 2016
    • 15 replies
    • 6.1k views
    • 
    • K^2
    • March 19, 2016

15. What if the Space Race took place in the 1900s? 1 2 3

    By fredinno, March 2, 2016
    • 52 replies
    • 5.8k views
    • 
    • fredinno
    • March 17, 2016

16. Space Tugs for fun and profit!

    By sevenperforce, March 15, 2016   

    • reusability
    • satellites
    • (and 1 more)

       Tagged with:

      • reusability
      • satellites
      • space
    • 16 replies
    • 2.1k views
    • 
    • fredinno
    • March 17, 2016

17. What is the point of landing back on Earth with landing gear? 1 2

    By Notwal, March 15, 2016   

    • vtvl
    • 42 replies
    • 4k views
    • 
    • Nibb31
    • March 17, 2016

18. Interrogating P

    By PB666, March 17, 2016   

    • statistics
    • selection bias
    • 0 replies
    • 494 views
    • 
    • PB666
    • March 17, 2016

19. Weird or normal fairing?

    By Glaran K'erman, March 16, 2016
    • 6 replies
    • 991 views
    • 
    • Nibb31
    • March 16, 2016

20. Merge OrbitalATK and ULA rocket launch buinesses?

    By fredinno, March 14, 2016
    • 8 replies
    • 1.3k views
    • 
    • fredinno
    • March 16, 2016

21. Electric Solid Propellants 1 2

    By shynung, March 12, 2016
    • 43 replies
    • 7k views
    • 
    • ChrisDayVACCO
    • March 15, 2016

22. Very interesting movie :-) 1 2

    By Pawelk198604, March 12, 2016   

    • space
    • gagrin
    • (and 1 more)

       Tagged with:

      • space
      • gagrin
      • vostok
    • 27 replies
    • 3.8k views
    • 
    • Pawelk198604
    • March 15, 2016

23. The eclipse from space

    By Aethon, March 9, 2016
    • 1 reply
    • 674 views
    • 
    • worir4
    • March 15, 2016

24. Math and different number system 1 2

    By Hary R, March 8, 2016   

    • math
    • 35 replies
    • 5.3k views
    • 
    • K^2
    • March 15, 2016

25. Alleged Yugoslavian space program

    By lajoswinkler, March 10, 2016   

    • yugoslavia
    • tito
    • 20 replies
    • 4k views
    • 
    • FreeThinker
    • March 14, 2016