Science & Spaceflight

8,476 topics in this forum

1. What effect will Hydrogen Fuel Cells have on the Hydrological (Water) Cycle?

   By TarkinLarson, May 12, 2015
   • 6 replies
   • 2.2k views
   • 
   • lajoswinkler
   • May 12, 2015

2. What do SpaceX actually plan to do if they get to Mars 1 2

   By xenomorph555, May 7, 2015
   • 48 replies
   • 6.4k views
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   • Technical Ben
   • May 12, 2015

3. Using a gravity assist to circularize an orbit

   By MechaLynx, May 11, 2015
   • 6 replies
   • 2.3k views
   • 
   • magnemoe
   • May 12, 2015

4. Calculating The Speed Of A Moon? 1 2 3

   By Beale, May 5, 2015
   • 52 replies
   • 5.6k views
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   • Beale
   • May 11, 2015

5. So a Ferrari Designer drew himself a spaceship... 1 2

   By spudman2, May 9, 2015
   • 25 replies
   • 3.8k views
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   • Kryten
   • May 11, 2015

6. the secret of the australian mystery signal

   By Umlüx, May 5, 2015
   • 10 replies
   • 1.7k views
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   • stibbons
   • May 11, 2015

7. How would immortality change you? 1 2 3 4

   By WestAir, April 30, 2015
   • 90 replies
   • 8.6k views
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   • Beowolf
   • May 11, 2015

8. Lunar Rover Instruction Manual

   By Wanderfound, May 6, 2015
   • 2 replies
   • 911 views
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   • CelticCossack51
   • May 11, 2015

9. Team SpaceX or team NASA? 1 2 3 4 5

   By FishInferno, May 6, 2015
   • 116 replies
   • 12.3k views
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   • CelticCossack51
   • May 11, 2015

10. The New NASA MRV

    By ouion, May 11, 2015
    • 4 replies
    • 1.1k views
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    • Dodgey
    • May 11, 2015

11. List Launches you have seen. 1 2

    By Kerbal01, December 18, 2014
    • 30 replies
    • 3.8k views
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    • Mad Rocket Scientist
    • May 10, 2015

12. I'm looking for a special set of satellite images

    By hugix, May 9, 2015
    • 2 replies
    • 749 views
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    • Hcube
    • May 9, 2015

13. What if: Hammer and sickle on the Moon 1 2

    By FlyingPete, April 27, 2015
    • 40 replies
    • 5.8k views
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    • asmi
    • May 8, 2015

14. falcon 9 1 2

    By Findthepin1, May 5, 2015
    • 42 replies
    • 5.2k views
    • 
    • maccollo
    • May 7, 2015

15. KSP, or Known Science Perplexed, a new Missing Link

    By LN400, May 7, 2015
    • 1 reply
    • 656 views
    • 
    • Kryten
    • May 7, 2015

16. Wormholes

    By Voyager275, May 2, 2015
    • 9 replies
    • 2.1k views
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    • K^2
    • May 7, 2015

17. 343m/s rocket flight

    By Superluminaut, May 7, 2015
    • 4 replies
    • 2.2k views
    • 
    • magnemoe
    • May 7, 2015

18. What jobs will human have left once we perfect automation technology? 1 2 3

    By RainDreamer, May 3, 2015
    • 69 replies
    • 7.4k views
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    • vger
    • May 7, 2015

19. Coding something to delete a file when the system boots up

    By Forty21112, May 6, 2015
    • 3 replies
    • 820 views
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    • sal_vager
    • May 6, 2015

20. breathable 1 2

    By Findthepin1, May 1, 2015
    • 46 replies
    • 5.2k views
    • 
    • AngelLestat
    • May 6, 2015

21. How fast galaxies are moving? 1 2

    By Darnok, May 3, 2015
    • 48 replies
    • 4.4k views
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    • LLlAMnYP
    • May 6, 2015

22. Does is possible that space stop expansion and start shrinking itself

    By Pawelk198604, May 1, 2015
    • 4 replies
    • 1k views
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    • michaelsteele3
    • May 6, 2015

23. Coin Flip Experiment 1 2 3

    By gamowin, June 7, 2014
    • 70 replies
    • 8.2k views
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    • Caelib
    • May 6, 2015

24. [Philosophy] Red 1 2

    By Xannari Ferrows, May 1, 2015
    • 38 replies
    • 4.5k views
    • 
    • Xannari Ferrows
    • May 6, 2015

25. Beginner's telescope - advice needed

    By Oafman, May 4, 2015
    • 15 replies
    • 3.3k views
    • 
    • YNM
    • May 5, 2015