Science & Spaceflight

8,476 topics in this forum

1. NASA is sending two cubesats to Mars!

   By Frida Space, January 15, 2015
   • 5 replies
   • 1.6k views
   • 
   • Frida Space
   • July 28, 2015

2. Private ownership of mineable asteroids moved into Earth orbit 1 2 3 4

   By Findthepin1, July 26, 2015
   • 78 replies
   • 5.9k views
   • 
   • Vanamonde
   • July 28, 2015

3. Maximum Delta-v Between Two Orbits

   By Three1415, July 28, 2015
   • 11 replies
   • 1.5k views
   • 
   • Red Iron Crown
   • July 28, 2015

4. Scientists discover double meaning in genetic code 1 2 3

   By Darnok, July 19, 2015
   • 68 replies
   • 5.7k views
   • 
   • WinkAllKerb''
   • July 28, 2015

5. I have question why astronauts candidates was tested in bizarre ways like this?

   By Pawelk198604, July 24, 2015
   • 8 replies
   • 2.2k views
   • 
   • WinkAllKerb''
   • July 28, 2015

6. Lox/LH2 rocket engine exhaust pollution 1 2

   By Tommygun, April 11, 2015
   • 25 replies
   • 7.3k views
   • 
   • Streetwind
   • July 27, 2015

7. virtual visit of the ISS

   By goldenpeach, July 26, 2015
   • 3 replies
   • 812 views
   • 
   • klesh
   • July 26, 2015

8. Energy Lifeform 1 2

   By Voyager275, July 25, 2015
   • 37 replies
   • 3.8k views
   • 
   • ouion
   • July 26, 2015

9. Why can't we just using existing space telescopes for planetary science? 1 2

   By Glaran K'erman, July 25, 2015
   • 28 replies
   • 2.6k views
   • 
   • LordFerret
   • July 26, 2015

10. Point Hope, Alaska!

    By kiwi1960, July 24, 2015
    • 14 replies
    • 2.7k views
    • 
    • kiwi1960
    • July 26, 2015

11. Trying to teach myself orbital mechanics: Question about True Anomaly.

    By TrabantDeLuxe, July 25, 2015
    • 4 replies
    • 807 views
    • 
    • TrabantDeLuxe
    • July 26, 2015

12. jet engeins

    By hawk_za, July 25, 2015
    • 7 replies
    • 1.2k views
    • 
    • Pixel of Life
    • July 25, 2015

13. Increasing thrust in a Nuclear Engine by increasing the propellant Flow rate

    By FreeThinker, July 24, 2015
    • 15 replies
    • 2.1k views
    • 
    • SomeGuy12
    • July 25, 2015

14. Kepler-452b: Moons?

    By _Augustus_, July 24, 2015
    • 3 replies
    • 1.9k views
    • 
    • LordFerret
    • July 25, 2015

15. High res images of other stars

    By Rdivine, July 24, 2015
    • 10 replies
    • 2.3k views
    • 
    • livefree75
    • July 25, 2015

16. "Colonising the moon may be 90% cheaper than thought" - Popsci

    By Coyote27, July 24, 2015
    • 24 replies
    • 2.9k views
    • 
    • DerekL1963
    • July 25, 2015

17. Negative constant of proportionality

    By Arkalius, July 24, 2015
    • 3 replies
    • 4k views
    • 
    • K^2
    • July 24, 2015

18. Soyuz launch - Expedition 44 - successful launch 1 2

    By Albert VDS, July 22, 2015
    • 45 replies
    • 4.7k views
    • 
    • Frida Space
    • July 23, 2015

19. Jupiter Twin Discovered Around Solar Twin

    By Darnok, July 23, 2015
    • 0 replies
    • 525 views
    • 
    • Darnok
    • July 23, 2015

20. Pan Am Grip Shoes, A Cheap Substitute to Centrifuges? 1 2

    By HoloYolo, July 21, 2015
    • 39 replies
    • 3.9k views
    • 
    • Bill Phil
    • July 23, 2015

21. Density Shells of Stars

    By Techpriest93, July 22, 2015
    • 12 replies
    • 2.1k views
    • 
    • YNM
    • July 23, 2015

22. Make Your Own Constellation Program!

    By fredinno, July 21, 2015
    • 18 replies
    • 3.6k views
    • 
    • Kibble
    • July 23, 2015

23. Effects of Soyuz related deaths

    By Voyager275, July 23, 2015
    • 4 replies
    • 891 views
    • 
    • Mazon Del
    • July 23, 2015

24. A Question About Orbits

    By r4pt0r, July 22, 2015
    • 8 replies
    • 1.3k views
    • 
    • Skyler4856
    • July 23, 2015

25. NASA's Lunar Flashlight and Lunar IceCube missions!

    By Frida Space, October 13, 2014
    • 21 replies
    • 4.4k views
    • 
    • Skyler4856
    • July 23, 2015