Science & Spaceflight

8,476 topics in this forum

1. Why does the Earth crust contains heavy elements?

   By *Aqua*, August 8, 2015
   • 22 replies
   • 5.7k views
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   • GeneralVeers
   • August 9, 2015

2. Double Checking My Rocket Equation

   By Der Anfang, August 8, 2015
   • 4 replies
   • 942 views
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   • ElWanderer
   • August 8, 2015

3. Von Neumann probes 1 2 3 4 6

   By Souper, August 1, 2015
   • 132 replies
   • 13.5k views
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   • Camacha
   • August 8, 2015

4. Energetically massice neutrino inferred from IceCube polar detector

   By PB666, August 7, 2015
   • 6 replies
   • 1k views
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   • PB666
   • August 8, 2015

5. Fizzy tablet + water + micro gravity = fun times

   By RainDreamer, August 8, 2015
   • 9 replies
   • 2.3k views
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   • lajoswinkler
   • August 8, 2015

6. Hot chips for Venus

   By lajoswinkler, August 6, 2015
   • 15 replies
   • 2.2k views
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   • shynung
   • August 8, 2015

7. Why is the sky dark at night? 1 2 3

   By Darnok, July 20, 2015
   • 53 replies
   • 6.6k views
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   • ZetaX
   • August 8, 2015

8. Calculating pH of a solution?

   By bearingseat, August 7, 2015
   • 5 replies
   • 2.1k views
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   • K^2
   • August 8, 2015

9. Expedition 44 midterm report - our astronauts about to eat space grown lettuce for the first time

   By RainDreamer, August 7, 2015
   • 10 replies
   • 1.5k views
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   • Streetwind
   • August 7, 2015

10. So whats the deal with Orbital Sciences and Wallops?

    By Motokid600, August 7, 2015
    • 4 replies
    • 954 views
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    • Motokid600
    • August 7, 2015

11. Oxygen content in water/ water breathing.

    By magnemoe, August 6, 2015
    • 18 replies
    • 2.6k views
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    • Exoscientist
    • August 7, 2015

12. Help me verify the effect of the ingredient in this weight loss pill 1 2

    By RainDreamer, August 4, 2015
    • 27 replies
    • 6k views
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    • 0111narwhalz
    • August 7, 2015

13. Closed loop life support with Algae

    By SomeGuy12, August 2, 2015
    • 15 replies
    • 2.2k views
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    • SomeGuy12
    • August 7, 2015

14. Copenhage Suborbital launching DIY-rocket - help needed!

    By henque19, August 6, 2015
    • 5 replies
    • 1.4k views
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    • Streetwind
    • August 6, 2015

15. Quantum Mechanics. This will completely blow your mind away

    By Thunder_86, August 4, 2015
    • 17 replies
    • 2.5k views
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    • monstah
    • August 6, 2015

16. Yes! We ARE going to Europa! 1 2 3 4 6

    By Exoscientist, May 21, 2015
    • 139 replies
    • 17.2k views
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    • Exoscientist
    • August 6, 2015

17. 2-booster Soyuz Rocket

    By fredinno, August 5, 2015
    • 2 replies
    • 1k views
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    • Kibble
    • August 5, 2015

18. Could low altitudes on Mars support liquid water?

    By Findthepin1, June 19, 2015
    • 23 replies
    • 6.1k views
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    • cantab
    • August 5, 2015

19. The Lexus Hoverboard

    By Darnok, August 5, 2015
    • 3 replies
    • 1k views
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    • Mazon Del
    • August 5, 2015

20. Practically getting an asteroid full of platinum down to Earth 1 2 3

    By SomeGuy12, July 28, 2015
    • 56 replies
    • 7.7k views
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    • Pixel of Life
    • August 5, 2015

21. Stuff in Space 1 2 3

    By biohazard15, July 7, 2015
    • 66 replies
    • 12.5k views
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    • PB666
    • August 5, 2015

22. The Warp Drive in invented tomorrow. What happens next? 1 2 3 4

    By Whirligig Girl, July 29, 2015
    • 78 replies
    • 8.2k views
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    • Vanamonde
    • August 4, 2015

23. Saturns rings

    By r4pt0r, August 4, 2015
    • 5 replies
    • 1.9k views
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    • Camacha
    • August 4, 2015

24. Why does gravity get weaker with distance? 1 2

    By Rdivine, July 27, 2015
    • 32 replies
    • 7.6k views
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    • Skyler4856
    • August 4, 2015

25. Vacuum only engines - possible to catch a spacecraft on a ballistic arc?

    By SomeGuy12, July 27, 2015
    • 24 replies
    • 3.1k views
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    • Endersmens
    • August 4, 2015