Science & Spaceflight

8,482 topics in this forum

1. Orbital Colony Discussion thread.

   By NSEP, February 6, 2018
   • 15 replies
   • 1.3k views
   • 
   • DDE
   • February 7, 2018

2. Shrinking atmosphere

   By InterestedDavid, February 5, 2018   

   • atmosphere
   • 8 replies
   • 1.1k views
   • 
   • p1t1o
   • February 6, 2018

3. Looking for information about a titanium tank from Salyut 7

   By polandmet, February 5, 2018
   • 10 replies
   • 1.4k views
   • 
   • polandmet
   • February 6, 2018

4. Tabletop nuclear reactor for kids - plausible?

   By DDE, February 3, 2018   

   • april fools
   • 22 replies
   • 2.3k views
   • 
   • kerbiloid
   • February 6, 2018

5. LM Descent Stages Today? 1 2

   By The Flying Kerbal, January 31, 2018
   • 42 replies
   • 3.3k views
   • 
   • sevenperforce
   • February 5, 2018

6. 15 Years Already...

   By XB-70A, February 1, 2018
   • 10 replies
   • 1k views
   • 
   • Geonovast
   • February 5, 2018

7. January 31st Lunar Eclipse Thread

   By RocketSimplicity, January 31, 2018
   • 15 replies
   • 864 views
   • 
   • cubinator
   • February 5, 2018

8. Star Trek Mirror Mirror tech the "Agony Booth"

   By Pawelk198604, April 28, 2014
   • 18 replies
   • 3.5k views
   • 
   • wumpus
   • February 4, 2018

9. Astronomers may have found giant alien 'megastructures' orbiting a star in the Milky Way 1 2 3 4 16

   By andrew123, October 15, 2015
   • 393 replies
   • 50.1k views
   • 
   • YNM
   • February 3, 2018

10. Sea Dragon Design Questions

    By Burncycle, February 3, 2018
    • 1 reply
    • 958 views
    • 
    • kerbiloid
    • February 3, 2018

11. Gene Function in Complex Evolution

    By PB666, January 30, 2018
    • 9 replies
    • 885 views
    • 
    • Vanamonde
    • February 3, 2018

12. The Palaeobiology Thread: 1 2 3 4 9

    By Xemina, August 31, 2017   

    • bio
    • dino
    • (and 1 more)

       Tagged with:

      • bio
      • dino
      • palaeo
    • 200 replies
    • 13k views
    • 
    • Vanamonde
    • February 2, 2018

13. Talking Orcas

    By LordFerret, January 31, 2018
    • 17 replies
    • 1.3k views
    • 
    • kerbiloid
    • February 1, 2018

14. Boarding a vessel help 1 2

    By Jhorriga, January 24, 2018
    • 44 replies
    • 3.2k views
    • 
    • sevenperforce
    • January 31, 2018

15. A Question About Reaction Control Systems

    By Deus Zed Machina, December 25, 2017
    • 23 replies
    • 3.4k views
    • 
    • Deus Zed Machina
    • January 30, 2018

16. Voynich Manuscript Breakthrough

    By p1t1o, January 30, 2018
    • 15 replies
    • 1.2k views
    • 
    • p1t1o
    • January 30, 2018

17. It's official: the $30 million Google Lunar X-Prize will remain unclaimed 1 2

    By Streetwind, January 24, 2018   

    • x-prize
    • moonshot
    • (and 1 more)

       Tagged with:

      • x-prize
      • moonshot
      • commercial space
    • 30 replies
    • 2.8k views
    • 
    • Canopus
    • January 29, 2018

18. Realistic Number of Crew? 1 2

    By Piatzin, January 25, 2018
    • 40 replies
    • 2.5k views
    • 
    • YNM
    • January 29, 2018

19. Zuma Discussion 1 2 3 4 6

    By Racescort666, January 12, 2018   

    • zuma
    • 147 replies
    • 12.6k views
    • 
    • YNM
    • January 28, 2018

20. This video could almost be a training vid for KSP

    By Zeiss Ikon, December 26, 2017   

    • video
    • spaceflight
    • 12 replies
    • 1.9k views
    • 
    • DerekL1963
    • January 26, 2018

21. Methane fuel physical plant details 1 2

    By JohnDelvfar, January 23, 2018   

    • methane
    • rocket fuel
    • (and 3 more)

       Tagged with:

      • methane
      • rocket fuel
      • rocket fuel generation
      • mars fuel
      • sabatier
    • 39 replies
    • 3.2k views
    • 
    • Green Baron
    • January 26, 2018

22. Flat earther determined to prove that the earth is flat by going to space.

    By nascarlaser1, January 25, 2018
    • 1 reply
    • 468 views
    • 
    • Snark
    • January 25, 2018

23. Why do we keep destroying our own probes?

    By daniel l., January 25, 2018
    • 17 replies
    • 1.3k views
    • 
    • Starman4308
    • January 25, 2018

24. NASA still has some airplanes

    By mikegarrison, January 24, 2018
    • 8 replies
    • 876 views
    • 
    • YNM
    • January 25, 2018

25. Electric Airplanes, contra-rotating propellers 1 2 3

    By Northstar1989, October 26, 2017   

    • aircraft
    • planes
    • (and 3 more)

       Tagged with:

      • aircraft
      • planes
      • propellers
      • electric propulsion
      • sustainability
    • 57 replies
    • 9k views
    • 
    • YNM
    • January 25, 2018