Science & Spaceflight

8,482 topics in this forum

1. Air-Augmented Rocket Without Oxygen?

   By JMBuilder, November 4, 2014
   • 15 replies
   • 2k views
   • 
   • Excalibur
   • November 4, 2014

2. Why can not I take pictures of stars (constellation of Orion) ?

   By Pawelk198604, November 3, 2014
   • 21 replies
   • 4k views
   • 
   • Wanderfound
   • November 4, 2014

3. What phone has the best specs?

   By dharak1, November 2, 2014
   • 17 replies
   • 3k views
   • 
   • Elthy
   • November 4, 2014

4. Survey on Reusable vs Expendable Launch Vehicles

   By B787_300, October 31, 2014
   • 7 replies
   • 1.4k views
   • 
   • B787_300
   • November 3, 2014

5. 500 exo-comets discovered

   By Frida Space, November 3, 2014
   • 2 replies
   • 894 views
   • 
   • Scotius
   • November 3, 2014

6. SpaceShipTwo failure: suicide attempt?

   By Frida Space, November 3, 2014
   • 3 replies
   • 1.1k views
   • 
   • sal_vager
   • November 3, 2014

7. Question about the Castor (star)

   By Scotius, October 27, 2014
   • 1 reply
   • 1.1k views
   • 
   • Magion
   • November 3, 2014

8. Silicon Life Discussion

   By bartekkru99, October 28, 2014
   • 10 replies
   • 2k views
   • 
   • mmottet
   • November 3, 2014

9. Toroidal Aerospike Air-Augmented Rocket?

   By JMBuilder, November 1, 2014
   • 6 replies
   • 1.9k views
   • 
   • Kryten
   • November 3, 2014

10. Alternate history green mars

    By drake000666, November 2, 2014
    • 4 replies
    • 1.4k views
    • 
    • magnemoe
    • November 2, 2014

11. Orbital Sciences Cygnus launch scrubbed because of a boat 1 2

    By SpaceXray, October 27, 2014
    • 40 replies
    • 5.4k views
    • 
    • CptRichardson
    • November 2, 2014

12. What would the target be for manned mission after Mars?

    By CaptRobau, October 26, 2014
    • 21 replies
    • 4.6k views
    • 
    • Polish_Hydra IX
    • November 2, 2014

13. SLS Flyback.

    By Frozen_Heart, November 1, 2014
    • 6 replies
    • 1.4k views
    • 
    • GigaG
    • November 1, 2014

14. Virgin Galactic's SpaceShipTwo destroyed : 1 dead, 1 injured

    By H2O., November 1, 2014
    • 3 replies
    • 1.8k views
    • 
    • Rainbowtrout
    • November 1, 2014

15. Ambition (short, space-themed sci-fi film)

    By Sky_walker, October 24, 2014
    • 8 replies
    • 2k views
    • 
    • Nahim
    • November 1, 2014

16. How to make your own mini space program!

    By Sun, October 29, 2014
    • 8 replies
    • 2.2k views
    • 
    • andrew123
    • October 31, 2014

17. Reentry heat and blackout during re entry in real life

    By Pawelk198604, April 21, 2013
    • 3 replies
    • 2.2k views
    • 
    • khyron42
    • October 31, 2014

18. LADEE Moon quake?

    By Frida Space, October 30, 2014
    • 3 replies
    • 7.6k views
    • 
    • dharak1
    • October 30, 2014

19. Escape Systems for Unmanned Spacecraft

    By rodion_herrera, October 30, 2014
    • 20 replies
    • 2.2k views
    • 
    • rodion_herrera
    • October 30, 2014

20. Altas V GPS IFF-8 Launch Live coverage

    By Hydrazine_Soup, October 29, 2014
    • 11 replies
    • 2k views
    • 
    • Kryten
    • October 30, 2014

21. Project - sending a Jeb figurine into stratosphere 1 2 3 4 6

    By lajoswinkler, July 16, 2014
    • 139 replies
    • 18.4k views
    • 
    • lajoswinkler
    • October 30, 2014

22. Planetary Resources set for launch TODAY! 1 2

    By Frida Space, October 27, 2014
    • 30 replies
    • 3.8k views
    • 
    • PakledHostage
    • October 29, 2014

23. What's the difference between 0 and -0? 1 2

    By Sun, October 27, 2014
    • 40 replies
    • 7.1k views
    • 
    • tetryds
    • October 29, 2014

24. New ULA Launcher to be Announced - Blue Origin/ULA New Rocket Engine Partnership

    By Airlock, September 17, 2014
    • 23 replies
    • 4.6k views
    • 
    • rdfox
    • October 29, 2014

25. I wonder why Gs are higher during reentry than launch

    By Pawelk198604, October 28, 2014
    • 7 replies
    • 5.9k views
    • 
    • rdfox
    • October 29, 2014