Science & Spaceflight

8,482 topics in this forum

1. Anyone interested in mechanical stuff, like building engines?

   By Azimech, August 13, 2014
   • 12 replies
   • 2.6k views
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   • mardlamock
   • August 14, 2014

2. If a disaster left us with pre-industrial technology, could we become advanced again? 1 2 3 4 5

   By szputnyik, July 28, 2014
   • 106 replies
   • 10.7k views
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   • RockoDyne
   • August 14, 2014

3. Could Pluto and Charon be geologically active?

   By Whirligig Girl, August 14, 2014
   • 2 replies
   • 1k views
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   • Ralathon
   • August 14, 2014

4. Watch the clouds sail over the sea- on another world.

   By Aethon, August 13, 2014
   • 1 reply
   • 629 views
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   • lajoswinkler
   • August 13, 2014

5. ATV-5 Launch - the last ATV to visit ISS! - Live transmission

   By Sky_walker, July 28, 2014
   • 20 replies
   • 4.5k views
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   • Sky_walker
   • August 13, 2014

6. falcon 9 to GEO

   By magnemoe, August 13, 2014
   • 8 replies
   • 1.7k views
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   • Streetwind
   • August 13, 2014

7. meteor shower

   By Cannon, August 10, 2014
   • 13 replies
   • 2.5k views
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   • RogueMason
   • August 13, 2014

8. So im building a rocket-plane...

   By SlimeCrusher, August 12, 2014
   • 17 replies
   • 2.3k views
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   • cantab
   • August 13, 2014

9. ELIT: How to calculate ridgid-body orbital velocity.

   By Whirligig Girl, August 12, 2014
   • 3 replies
   • 1.3k views
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   • Whirligig Girl
   • August 13, 2014

10. How to find apo/peri in real life?

    By power5000, August 9, 2014
    • 14 replies
    • 2.4k views
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    • ZetaX
    • August 12, 2014

11. Negative direction slingshot

    By dlazerka, August 10, 2014
    • 13 replies
    • 2k views
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    • Bacterius
    • August 12, 2014

12. M.D vs physican

    By Pawelk198604, August 11, 2014
    • 12 replies
    • 1.7k views
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    • Wanderfound
    • August 11, 2014

13. Why people consider 1957 as begin of space flight while first space (suborbital)

    By Pawelk198604, August 10, 2014
    • 4 replies
    • 1.4k views
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    • Tex
    • August 11, 2014

14. what would happen if you lit a match on titan? 1 2

    By SelectHalfling0, August 10, 2014
    • 36 replies
    • 11.4k views
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    • lajoswinkler
    • August 11, 2014

15. Chinese Chang'e 5 precursor transported to launch center/ given name

    By xenomorph555, August 11, 2014
    • 0 replies
    • 785 views
    • 
    • xenomorph555
    • August 11, 2014

16. Could Buran Ever Fly Again? 1 2

    By Nicholander, August 9, 2014
    • 46 replies
    • 6.8k views
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    • Ralathon
    • August 10, 2014

17. How big would a singularity have to be... [cont]

    By WestAir, August 10, 2014
    • 1 reply
    • 856 views
    • 
    • Z-Man
    • August 10, 2014

18. Why USD is cheaper than GBP

    By Pawelk198604, August 10, 2014
    • 9 replies
    • 1.7k views
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    • Mr Shifty
    • August 10, 2014

19. What if you nuked Jupiter? 1 2

    By fenderzilla, June 19, 2014
    • 49 replies
    • 15.1k views
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    • Scotius
    • August 10, 2014

20. Cryotubes

    By Maxilica, August 9, 2014
    • 9 replies
    • 1.8k views
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    • Maxilica
    • August 10, 2014

21. Liquid Slurry Fuels

    By shynung, August 6, 2014
    • 20 replies
    • 4k views
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    • mrfox
    • August 10, 2014

22. Excellent Project Orion Documentary 1 2

    By Northstar1989, August 7, 2014
    • 32 replies
    • 5.3k views
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    • Northstar1989
    • August 10, 2014

23. The Lure of Europa

    By ZeroGravitas, August 8, 2014
    • 7 replies
    • 1.6k views
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    • Motokid600
    • August 9, 2014

24. Three-Dimensional Quantum Computing

    By Duxwing, August 9, 2014
    • 0 replies
    • 809 views
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    • Duxwing
    • August 9, 2014

25. Why doesn't Tylo have an atmosphere? 1 2 3

    By ThesaurusRex, August 6, 2014
    • 56 replies
    • 7.9k views
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    • Space Viking
    • August 9, 2014