Science & Spaceflight

8,449 topics in this forum

1. Why do most surfaces reflect laser light without changing the color?

   By nhnifong, September 18, 2013
   • 9 replies
   • 4k views
   • 
   • softweir
   • September 26, 2013

2. Sensors Failed on TMA-08M

   By Mr Shifty, September 13, 2013
   • 14 replies
   • 3.5k views
   • 
   • Guest
   • September 26, 2013

3. NASA's next generation ion thruster sets endurance record

   By Meithan, September 25, 2013
   • 0 replies
   • 623 views
   • 
   • Meithan
   • September 25, 2013

4. Phonebloks

   By rasheed, September 14, 2013
   • 15 replies
   • 3.9k views
   • 
   • Nuke
   • September 25, 2013

5. IPCC AR5 leak

   By bsalis, September 17, 2013
   • 22 replies
   • 3.3k views
   • 
   • rkman
   • September 25, 2013

6. Man on a Mission. A truly inspiring documentary.

   By Motokid600, September 24, 2013
   • 2 replies
   • 1k views
   • 
   • Motokid600
   • September 25, 2013

7. How fast is the internet on the ISS?

   By bigdad84, September 9, 2013
   • 15 replies
   • 5.1k views
   • 
   • Dunbaratu
   • September 24, 2013

8. Whatch tomorrow launch live!

   By goldenpeach, September 17, 2013
   • 11 replies
   • 2.4k views
   • 
   • Ravenbot
   • September 18, 2013

9. Orbital Sciences Antares ORB-D Launch Thread

   By Mr Shifty, September 16, 2013
   • 14 replies
   • 3.2k views
   • 
   • Mr Shifty
   • September 18, 2013

10. Launch Thread: Atlas V AEHF-3

    By Tiberion, September 18, 2013
    • 4 replies
    • 1.2k views
    • 
    • Tiberion
    • September 18, 2013

11. Artificial Gravity Theory

    By TheCanadianVendingMachine, September 18, 2013
    • 10 replies
    • 6.3k views
    • 
    • Nuke
    • September 18, 2013

12. ISP of 600,000!?

    By thereaverofdarkness, September 17, 2013
    • 7 replies
    • 3k views
    • 
    • Specialist290
    • September 18, 2013

13. General Science and Off-Topic Questions That I Ponder

    By NASI Director, September 8, 2013
    • 16 replies
    • 2.8k views
    • 
    • nhnifong
    • September 18, 2013

14. Gene Roddenberry Jacque Fresco

    By Pawelk198604, August 7, 2013
    • 3 replies
    • 1.9k views
    • 
    • FJACK
    • September 17, 2013

15. Other life in the Solar system? 1 2

    By Sickle, September 13, 2013
    • 43 replies
    • 6.7k views
    • 
    • MBobrik
    • September 17, 2013

16. Advise on a science fair project involving the flight time of different propellents

    By baracksimposter, September 16, 2013
    • 16 replies
    • 2k views
    • 
    • Idobox
    • September 17, 2013

17. JAXA - Planet spectroscopic observation satellite launch (SPRINT-A) 12:25am EST

    By Latcarf, August 27, 2013
    • 10 replies
    • 2.2k views
    • 
    • Kerbal01
    • September 16, 2013

18. Will Skylon ever fly?

    By Comrade Jenkens, September 16, 2013
    • 3 replies
    • 1.9k views
    • 
    • Comrade Jenkens
    • September 16, 2013

19. If a ship used reactions wheels and CMG,would it need to use RCS to desaturate?

    By goldenpeach, September 15, 2013
    • 3 replies
    • 1.5k views
    • 
    • goldenpeach
    • September 15, 2013

20. Nuclear Thermal Rocket questions (riding around space in a uranium powered steamboat) 1 2

    By PTNLemay, September 13, 2013
    • 25 replies
    • 4.1k views
    • 
    • Idobox
    • September 15, 2013

21. Uranus and Neptune

    By Omicron314, September 13, 2013
    • 7 replies
    • 2.5k views
    • 
    • TheShadow1138
    • September 15, 2013

22. Can reaction wheel kill a certain angular momentum of ship without working forever?

    By Cesrate, June 27, 2013
    • 20 replies
    • 6.1k views
    • 
    • TouhouTorpedo
    • September 15, 2013

23. Help with calculating Delta v requirements for Hoffman Transfer

    By superecnate, September 15, 2013
    • 1 reply
    • 1.6k views
    • 
    • K^2
    • September 15, 2013

24. Your favourite space imagery: post them here!

    By Drunkrobot, September 11, 2013
    • 19 replies
    • 5.9k views
    • 
    • nettcod
    • September 14, 2013

25. NASA and CNSA cooperation - possible? 1 2

    By czokletmuss, September 9, 2013
    • 26 replies
    • 5.1k views
    • 
    • czokletmuss
    • September 14, 2013