Science & Spaceflight

8,482 topics in this forum

1. The Mars Underground 1 2

   By Torquemadus, January 1, 2015
   • 38 replies
   • 5.1k views
   • 
   • billbobjebkirk
   • January 5, 2015

2. Gale Crater held a massive lake 1 2

   By G'th, December 8, 2014
   • 30 replies
   • 7.2k views
   • 
   • KerikBalm
   • January 5, 2015

3. Temperature difference at aphelion/perihelion

   By livefree75, January 4, 2015
   • 5 replies
   • 3.2k views
   • 
   • Scotius
   • January 5, 2015

4. Falcon 9 octaweb?

   By notsosmart, January 4, 2015
   • 7 replies
   • 3.1k views
   • 
   • kujuman
   • January 4, 2015

5. G in Earth Units

   By Bill Phil, January 4, 2015
   • 4 replies
   • 910 views
   • 
   • maltesh
   • January 4, 2015

6. Long March 9 funded

   By xenomorph555, January 2, 2015
   • 15 replies
   • 2.5k views
   • 
   • xenomorph555
   • January 4, 2015

7. Inside real life ion engines.

   By Aethon, December 30, 2014
   • 3 replies
   • 1.3k views
   • 
   • Bryce Ring
   • January 3, 2015

8. Superconductor, superinsulator and supercapacitor

   By Aghanim, January 1, 2015
   • 4 replies
   • 4.6k views
   • 
   • Idobox
   • January 2, 2015

9. Gimbaled platform without gyros or motors.

   By mardlamock, January 2, 2015
   • 21 replies
   • 2.4k views
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   • Nuke
   • January 2, 2015

10. Moon hoax thory, i don't believe in it

    By Pawelk198604, January 2, 2015
    • 7 replies
    • 1.3k views
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    • sal_vager
    • January 2, 2015

11. How would life on Mars change out outlook on a manned mission?

    By FishInferno, January 1, 2015
    • 19 replies
    • 2.4k views
    • 
    • 78stonewobble
    • January 2, 2015

12. NASA wants people to sleep 1 2

    By WDZOrangeJuice, December 31, 2014
    • 41 replies
    • 5.5k views
    • 
    • Grand Lander
    • January 2, 2015

13. Feasibility of Hybrid Nuclear Thermal Jet and Nuclear Thermal Rocket?

    By jfull, December 27, 2014
    • 20 replies
    • 3.9k views
    • 
    • Merlin
    • January 1, 2015

14. My theory on the Kerbal universe.

    By Souper, January 1, 2015
    • 2 replies
    • 711 views
    • 
    • BriXman
    • January 1, 2015

15. Phobos Railgun

    By wnderer, December 29, 2014
    • 12 replies
    • 2.5k views
    • 
    • Idobox
    • January 1, 2015

16. Thought experiment for fun: Destructive orbital delivery!

    By RainDreamer, December 25, 2014
    • 16 replies
    • 2.9k views
    • 
    • Idobox
    • January 1, 2015

17. Orbital Mechanic Formulae (Difficult)

    By digitCruncher, December 31, 2014
    • 4 replies
    • 1.1k views
    • 
    • kujuman
    • January 1, 2015

18. Various Chinese space news (LM-9, Tianzhou, ion engines, more)

    By xenomorph555, December 31, 2014
    • 1 reply
    • 1.2k views
    • 
    • Rolanvorxariat
    • January 1, 2015

19. China are working on a next generation manned spacecraft (apparently)...

    By xenomorph555, December 31, 2014
    • 7 replies
    • 1.8k views
    • 
    • xenomorph555
    • December 31, 2014

20. Modern LK lander

    By xenomorph555, December 30, 2014
    • 9 replies
    • 1.8k views
    • 
    • xenomorph555
    • December 31, 2014

21. Zubrin's Ares launch vehicule

    By ndiver, December 30, 2014
    • 8 replies
    • 1.9k views
    • 
    • billbobjebkirk
    • December 31, 2014

22. Gecko like grippers, zero G, Vomit Comet.

    By Aethon, December 30, 2014
    • 1 reply
    • 772 views
    • 
    • rtxoff
    • December 31, 2014

23. My Hypothetical Launch Vehicle - TAL/CUS

    By GigaG, December 26, 2014
    • 6 replies
    • 1.8k views
    • 
    • MikeFox1
    • December 30, 2014

24. Extraterrestrial Internets. Yes, plural.

    By Whirligig Girl, December 30, 2014
    • 17 replies
    • 2.1k views
    • 
    • *Aqua*
    • December 30, 2014

25. Mach 4 or 5

    By Rocketscience101, December 28, 2014
    • 10 replies
    • 3k views
    • 
    • Meecrob
    • December 30, 2014