Science & Spaceflight

8,461 topics in this forum

1. Hydrogen-Hadron engine

   By JMBuilder, January 1, 2014
   • 24 replies
   • 2.7k views
   • 
   • 78stonewobble
   • January 3, 2014

2. Newtonian Calculations

   By mockingking, January 2, 2014
   • 11 replies
   • 2.1k views
   • 
   • K^2
   • January 3, 2014

3. Unindentified Flying Obiect :D 1 2

   By Scotius, December 31, 2013
   • 44 replies
   • 5.2k views
   • 
   • TheBadAstronomer
   • January 3, 2014

4. Is there a dirty nomenclature of "black hole" and the "no hair theorm"?

   By Themohawkninja, December 31, 2013
   • 24 replies
   • 13.8k views
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   • TheGatesofLogic
   • January 3, 2014

5. What about the ISS costs 3 billion annually? 1 2

   By maccollo, January 1, 2014
   • 25 replies
   • 4.4k views
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   • Seret
   • January 2, 2014

6. Why all of astronaut/cosmonaut are in mid 40

   By Pawelk198604, January 2, 2014
   • 15 replies
   • 2.4k views
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   • sal_vager
   • January 2, 2014

7. New Titan Lander Design

   By duncan1297, December 30, 2013
   • 9 replies
   • 2k views
   • 
   • tavert
   • January 1, 2014

8. Falcon Super Heavy (speculation) 1 2

   By Rockhem, August 25, 2013
   • 46 replies
   • 8.2k views
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   • Nibb31
   • January 1, 2014

9. The Oberth Effect and Stuff

   By Chickstick, December 24, 2013
   • 8 replies
   • 2.1k views
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   • Evans310
   • December 31, 2013

10. Giant Geysers On Europa; Planetary Society Wants Robotic Mission ASAP 1 2

    By czokletmuss, December 13, 2013
    • 38 replies
    • 5.6k views
    • 
    • Skyler4856
    • December 31, 2013

11. I don't know what to say 1 2

    By bombo1, December 28, 2013
    • 41 replies
    • 5.5k views
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    • mdatspace
    • December 31, 2013

12. Hypothetical question time

    By TheCanadianVendingMachine, December 30, 2013
    • 16 replies
    • 2.2k views
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    • insylem
    • December 31, 2013

13. This brown dwarf should be a bit hotter, right?

    By Themohawkninja, December 28, 2013
    • 11 replies
    • 2.2k views
    • 
    • Themohawkninja
    • December 30, 2013

14. Legacy of Apollo:)

    By Pawelk198604, December 29, 2013
    • 20 replies
    • 3k views
    • 
    • 3_bit
    • December 30, 2013

15. What has got you interested in science? 1 2

    By Unimatrix1, December 8, 2013
    • 28 replies
    • 4.1k views
    • 
    • th3shameless
    • December 30, 2013

16. Relativity - Did I break it relatively bad? (pun intended)

    By KvickFlygarn87, December 28, 2013
    • 8 replies
    • 1.9k views
    • 
    • K^2
    • December 30, 2013

17. electromagnetic radiation and life forms around it.

    By MC.STEEL, December 22, 2013
    • 23 replies
    • 4.3k views
    • 
    • nhnifong
    • December 29, 2013

18. Most ridiculous government funded space ideas. 1 2 3 4 5

    By Themohawkninja, December 16, 2013
    • 113 replies
    • 13.8k views
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    • crazyewok
    • December 28, 2013

19. HAB's and Near-space

    By TheDataMiner, December 26, 2013
    • 2 replies
    • 1.2k views
    • 
    • GamerMitch
    • December 28, 2013

20. Nuclear Testing 1945-1998

    By G'th, December 26, 2013
    • 5 replies
    • 956 views
    • 
    • Scotius
    • December 27, 2013

21. Should we bring back the dinosaurs? 1 2

    By Tex, December 20, 2013
    • 37 replies
    • 6.5k views
    • 
    • G'th
    • December 27, 2013

22. Why is everything rotating in the universe?

    By Kerbin Dallas Multipass, December 23, 2013
    • 20 replies
    • 5.4k views
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    • K^2
    • December 26, 2013

23. A very good demonstration of Reaction Wheel System

    By sidew, December 22, 2013
    • 20 replies
    • 4.6k views
    • 
    • lajoswinkler
    • December 26, 2013

24. Commercial drones: Opinions? 1 2 3

    By Drunkrobot, December 16, 2013
    • 57 replies
    • 7.1k views
    • 
    • Savage117
    • December 26, 2013

25. Lift vs Weight tradeoff on Skylon-style spaceplane?

    By Exosphere, December 23, 2013
    • 11 replies
    • 2.8k views
    • 
    • Nibb31
    • December 25, 2013