Science & Spaceflight

8,359 topics in this forum

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

   By Pawelk198604, October 28, 2014
   • 7 replies
   • 5.4k views
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   • rdfox
   • October 29, 2014

2. The Practicality of Hovering Vehicles 1 2 3

   By JMBuilder, October 26, 2014
   • 61 replies
   • 7.8k views
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   • Mazon Del
   • October 28, 2014

3. Sending Stuff to Mars

   By Will Fawkes, October 14, 2014
   • 20 replies
   • 2.9k views
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   • Will Fawkes
   • October 28, 2014

4. Quick note: AMA with the Kepler space telescope team going on right now

   By Streetwind, October 27, 2014
   • 0 replies
   • 639 views
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   • Streetwind
   • October 27, 2014

5. Moments of inertia

   By mardlamock, October 26, 2014
   • 8 replies
   • 3k views
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   • Nuke
   • October 26, 2014

6. Do wireless signals affect sleep? 1 2

   By Rhidian, October 21, 2014
   • 49 replies
   • 12.9k views
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   • lajoswinkler
   • October 26, 2014

7. Extremely geeky video about making the Apollo Guidance Computer

   By Beowolf, October 22, 2014
   • 3 replies
   • 1.3k views
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   • mrfox
   • October 26, 2014

8. Wrong results calculating terminal velocity?

   By Kurospidey, October 26, 2014
   • 2 replies
   • 1.7k views
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   • Kurospidey
   • October 26, 2014

9. The Outer Space Treaty and Planetary Defense: A Discussion That Doesn't Exist 1 2

   By Rileymanrr, October 21, 2014
   • 49 replies
   • 5.3k views
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   • Error404brain
   • October 26, 2014

10. How does Aerodynamic Simulation work?

    By Whirligig Girl, October 24, 2014
    • 4 replies
    • 2.5k views
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    • K^2
    • October 26, 2014

11. Who is the #2 space power-poll

    By xenomorph555, October 25, 2014
    • 24 replies
    • 3.4k views
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    • Skyrunner27
    • October 26, 2014

12. Question about cost breakdown of a real Rocket, E.g. Falcon 9

    By Raukk, October 16, 2014
    • 12 replies
    • 8.4k views
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    • Kryten
    • October 25, 2014

13. Baumgartner must be now really rally pissed off :-) 1 2

    By Pawelk198604, October 25, 2014
    • 35 replies
    • 3.5k views
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    • B787_300
    • October 25, 2014

14. Retroprolpulsive landings vs parachutes

    By FishInferno, October 23, 2014
    • 24 replies
    • 5.7k views
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    • rdfox
    • October 25, 2014

15. Fuel Chemistry

    By philpense, October 24, 2014
    • 4 replies
    • 951 views
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    • Tommygun
    • October 25, 2014

16. DC4Science Dream Chaser variant

    By SuperFastJellyfish, October 24, 2014
    • 3 replies
    • 834 views
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    • hugix
    • October 24, 2014

17. New Horizons Follow On Target Identified

    By Mr Shifty, October 15, 2014
    • 18 replies
    • 2.2k views
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    • KerikBalm
    • October 24, 2014

18. What is free will? 1 2 3 4 6

    By rtxoff, October 9, 2014
    • 143 replies
    • 12.7k views
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    • CaptainKipard
    • October 24, 2014

19. Aluminum as rocket fuel? 1 2

    By Raukk, October 21, 2014
    • 25 replies
    • 6k views
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    • Alchemist
    • October 24, 2014

20. October Eclipses 1 2

    By PakledHostage, September 29, 2014
    • 28 replies
    • 3.8k views
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    • TheDarkStar
    • October 23, 2014

21. A Polish Medical Team Lead By Dr Pawel Tabakow Heal Paralyzed Man

    By Pawelk198604, October 22, 2014
    • 2 replies
    • 1k views
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    • Streetwind
    • October 23, 2014

22. How does the ISS reaction control system look like ?

    By OrbitalSolutionsLtd, October 19, 2014
    • 4 replies
    • 2.5k views
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    • okan170
    • October 23, 2014

23. Stopping All Movement: Possible?

    By TheAlmightyOS, October 22, 2014
    • 20 replies
    • 2.3k views
    • 
    • Mr Shifty
    • October 23, 2014

24. Metallic Oxides--->Oxygen+Metal?

    By _The_Burn_, October 21, 2014
    • 18 replies
    • 2.6k views
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    • _The_Burn_
    • October 22, 2014

25. First Long March 7 may launch at the end of the year

    By xenomorph555, October 18, 2014
    • 6 replies
    • 1k views
    • 
    • xenomorph555
    • October 22, 2014