Science & Spaceflight

8,467 topics in this forum

1. Brush turkey documentary. No parental care!

   By Arugela, September 28, 2018
   • 0 replies
   • 440 views
   • 
   • Arugela
   • September 28, 2018

2. What kind of president would John Glenn be if he was elected?

   By Pawelk198604, September 28, 2018
   • 1 reply
   • 371 views
   • 
   • Deddly
   • September 28, 2018

3. Did anyone spot a completely silent aircraft overhead?

   By Arugela, September 27, 2018
   • 18 replies
   • 1.9k views
   • 
   • YNM
   • September 28, 2018

4. Asparagus-style rockets in the 1960's?!?!?!

   By MaverickSawyer, October 6, 2012
   • 14 replies
   • 2.8k views
   • 
   • DDE
   • September 27, 2018

5. Does Payload specialists on board of space shuttles ware genuine astronauts? 1 2

   By Pawelk198604, September 24, 2018
   • 35 replies
   • 1.9k views
   • 
   • YNM
   • September 27, 2018

6. Measuring Lunar Distance: A do it yourself guide

   By LaydeeDem, September 24, 2018   

   • diy astronomy
   • moon
   • 13 replies
   • 1.3k views
   • 
   • mikegarrison
   • September 27, 2018

7. BFS GTO Kickstages (reusable)

   By RedKraken, September 26, 2018   

   • kickstage
   • bfs
   • (and 2 more)

      Tagged with:

     • kickstage
     • bfs
     • gto
     • tug
   • 9 replies
   • 1k views
   • 
   • RedKraken
   • September 26, 2018

8. NASA wants to prolong ISS operation till 2028-2030 1 2 3

   By Cassel, September 21, 2018
   • 60 replies
   • 3.3k views
   • 
   • kerbiloid
   • September 26, 2018

9. Science in TV series and cinema 1 2 3 4

   By czokletmuss, May 24, 2013
   • 82 replies
   • 27.6k views
   • 
   • DAL59
   • September 26, 2018

10. vacuum engine development and testing.

    By magnemoe, September 24, 2018
    • 4 replies
    • 707 views
    • 
    • magnemoe
    • September 25, 2018

11. What were some direct Mercury Hohmann transfer windows/dates?

    By Grant Exploit, September 22, 2018   

    • mercury
    • astrodynamics
    • (and 3 more)

       Tagged with:

      • mercury
      • astrodynamics
      • launch
      • window
      • date
    • 2 replies
    • 1.1k views
    • 
    • DAL59
    • September 23, 2018

12. Do we actually live in a 4D spacial world + 1 time D but don't know it

    By AstroKing, September 15, 2018   

    • 4d globe
    • 20 replies
    • 1.4k views
    • 
    • YNM
    • September 22, 2018

13. A real-life planet Vulcan and TESS's first find

    By ProtoJeb21, September 18, 2018
    • 5 replies
    • 881 views
    • 
    • ProtoJeb21
    • September 21, 2018

14. Mars 'impossible" to terraform 1 2 3 4 7

    By TheGuyNamedAlan, August 1, 2018
    • 156 replies
    • 10.2k views
    • 
    • kerbiloid
    • September 20, 2018

15. TESS’s second planet: LHS 3844 b

    By ProtoJeb21, September 20, 2018
    • 2 replies
    • 625 views
    • 
    • Spaceception
    • September 20, 2018

16. Guys, it looks like we've been fooled all along...

    By moritree, October 11, 2016   

    • conspiracy
    • bad science
    • 23 replies
    • 2.9k views
    • 
    • Vanamonde
    • September 19, 2018

17. Help with the curvature of space-time meaning and equations.

    By steuben, September 14, 2018
    • 5 replies
    • 631 views
    • 
    • Gargamel
    • September 19, 2018

18. Amateur Rocketry

    By Opus_723, July 25, 2018
    • 18 replies
    • 1.3k views
    • 
    • Adstri
    • September 18, 2018

19. Green Propellant to Replace Hydrazine 1 2

    By RuBisCO, July 11, 2018
    • 47 replies
    • 3.6k views
    • 
    • Racescort666
    • September 17, 2018

20. Does Is it true that the Houston mission controllers knew about Columbia Space Shuttle damaged heat shield but did not tell the astronaut about it?

    By Pawelk198604, September 12, 2018
    • 24 replies
    • 1.8k views
    • 
    • razark
    • September 17, 2018

21. Ascent Profile

    By Spaced Out, September 15, 2018
    • 4 replies
    • 850 views
    • 
    • K^2
    • September 17, 2018

22. NASA could start letting companies advertise on their rockets

    By Dfthu, September 11, 2018
    • 23 replies
    • 2.3k views
    • 
    • Xd the great
    • September 16, 2018

23. Whay would real-life war spacecraft look like? 1 2 3 4 11

    By FishInferno, November 24, 2014
    • 252 replies
    • 41.6k views
    • 
    • Hummingbird Aerospace
    • September 15, 2018

24. fake archeology?!

    By Arugela, September 14, 2018
    • 12 replies
    • 1.5k views
    • 
    • Green Baron
    • September 15, 2018

25. A new dwarf planet: 2013 FY27

    By ProtoJeb21, September 10, 2018
    • 2 replies
    • 913 views
    • 
    • ProtoJeb21
    • September 14, 2018