Science & Spaceflight

8,475 topics in this forum

1. "Fly down" type reentry possible?

   By squeaky024, April 30, 2013
   • 7 replies
   • 2k views
   • 
   • drakesdoom
   • May 1, 2013

2. How can we know the types of the things other countries launch to space? 1 2

   By Cesrate, April 29, 2013
   • 35 replies
   • 5k views
   • 
   • Rune
   • May 1, 2013

3. oops

   By lump, May 1, 2013
   • 3 replies
   • 1.2k views
   • 
   • Person012345
   • May 1, 2013

4. Virgin's big day

   By Exclipse, April 29, 2013
   • 8 replies
   • 1.9k views
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   • lobsterbark
   • May 1, 2013

5. Speed of light

   By Guest chri, April 29, 2013
   • 15 replies
   • 3.1k views
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   • Nikolai
   • May 1, 2013

6. Ariane 5 launching Orion 1 2

   By Canopus, April 29, 2013
   • 30 replies
   • 7.8k views
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   • Rune
   • May 1, 2013

7. Space debris

   By czokletmuss, April 30, 2013
   • 3 replies
   • 1.7k views
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   • Conarr
   • April 30, 2013

8. Mass drivers

   By Kerbface, April 29, 2013
   • 7 replies
   • 2.4k views
   • 
   • drakesdoom
   • April 30, 2013

9. Fuel Transfer

   By supermap, April 26, 2013
   • 10 replies
   • 3.8k views
   • 
   • nyrath
   • April 29, 2013

10. Concept: Ion railgun

    By JMBuilder, April 28, 2013
    • 4 replies
    • 1.8k views
    • 
    • nyrath
    • April 29, 2013

11. Concept: Hydrogen-Noble reactor

    By JMBuilder, April 28, 2013
    • 6 replies
    • 1.7k views
    • 
    • andrewas
    • April 28, 2013

12. Smallest rocket capable to send human being into orbit???

    By Pawelk198604, April 26, 2013
    • 8 replies
    • 2.4k views
    • 
    • orbitalguy
    • April 28, 2013

13. Which spacecraft was better Mercury or Vostok

    By Pawelk198604, April 20, 2013
    • 21 replies
    • 6.6k views
    • 
    • orbitalguy
    • April 28, 2013

14. What was the cost per launch of a Saturn 1b?

    By nettcod, April 27, 2013
    • 2 replies
    • 1.6k views
    • 
    • nettcod
    • April 28, 2013

15. Can We Talk About Something Else Now?

    By Latcarf, April 26, 2013
    • 10 replies
    • 3k views
    • 
    • Mick2
    • April 27, 2013

16. How come planets orbits arounds the soon are flat?

    By Tigermisu, April 27, 2013
    • 3 replies
    • 1.1k views
    • 
    • Xeldrak
    • April 27, 2013

17. Which method is more economical when launching an interplanetary vehicle?

    By Cesrate, April 26, 2013
    • 6 replies
    • 1.6k views
    • 
    • LongbowEOD
    • April 27, 2013

18. Are you Religious? 1 2 3 4

    By ramses, April 26, 2013
    • 92 replies
    • 12k views
    • 
    • Capt'n Skunky
    • April 26, 2013

19. One way or Return. 1 2

    By B787_300, April 21, 2013
    • 26 replies
    • 4.6k views
    • 
    • ramses
    • April 26, 2013

20. Pendulum Rocket Fallacy?

    By LongbowEOD, April 25, 2013
    • 4 replies
    • 9.1k views
    • 
    • K^2
    • April 25, 2013

21. SpaceX Grasshopper Hovers at 250 meters (820 feet)

    By Latcarf, April 23, 2013
    • 12 replies
    • 3.8k views
    • 
    • Kerbface
    • April 24, 2013

22. Question about SpaceX Falcon reusable first stage

    By metaphor, April 24, 2013
    • 6 replies
    • 2.5k views
    • 
    • B787_300
    • April 24, 2013

23. Washclothes in Space

    By techonce, April 22, 2013
    • 2 replies
    • 1.3k views
    • 
    • Latcarf
    • April 23, 2013

24. The Astronomy Club, All are welcome!

    By GOOMH, April 19, 2013
    • 2 replies
    • 1.1k views
    • 
    • GOOMH
    • April 23, 2013

25. What's the usual "safe orbital distance" between two neighbur LEO satellites?

    By Cesrate, April 21, 2013
    • 8 replies
    • 7.6k views
    • 
    • Cesrate
    • April 22, 2013