Science & Spaceflight

8,479 topics in this forum

1. Interplanetary travel question

   By strider3, April 25, 2019
   • 9 replies
   • 1.1k views
   • 
   • wumpus
   • May 1, 2019

2. Favourite spaceships that never flew? 1 2

   By Ol’ Musky Boi, April 2, 2019
   • 38 replies
   • 2.9k views
   • 
   • magnemoe
   • April 28, 2019

3. Lithium fission saltwater rocket concept

   By Angeltxilon, April 28, 2019   

   • nuclear engine
   • nuclear
   • (and 3 more)

      Tagged with:

     • nuclear engine
     • nuclear
     • nuclear rocket
     • nuclear fission
     • lithium
   • 1 reply
   • 2.2k views
   • 
   • DDE
   • April 28, 2019

4. Nuclear Reactor Lasers: from Fission to Photon

   By MatterBeam, April 20, 2019   

   • nuclear
   • space
   • (and 2 more)

      Tagged with:

     • nuclear
     • space
     • laser
     • technology
   • 8 replies
   • 3.1k views
   • 
   • MatterBeam
   • April 27, 2019

5. Could you stop a nuke with bubbles?

   By Arugela, April 12, 2019
   • 11 replies
   • 1.2k views
   • 
   • kerbiloid
   • April 26, 2019

6. The numerous landers since altair

   By Jestersage, April 13, 2019
   • 7 replies
   • 967 views
   • 
   • DDE
   • April 26, 2019

7. Running out of air in spacesuit vs removing helmet

   By SRB, April 25, 2019
   • 15 replies
   • 1.3k views
   • 
   • kerbiloid
   • April 26, 2019

8. A 3rd planet around Kepler-47

   By ProtoJeb21, April 17, 2019   

   • irl tatooine
   • 8 replies
   • 1.1k views
   • 
   • Hypercosmic
   • April 25, 2019

9. Thermodynamic magic enables cooling without energy consumption

   By Cassel, April 21, 2019
   • 10 replies
   • 1.3k views
   • 
   • p1t1o
   • April 25, 2019

10. DA-Apollo Service propulsion system ...

    By Jestersage, April 25, 2019
    • 3 replies
    • 621 views
    • 
    • magnemoe
    • April 25, 2019

11. Cognitive abilities are declining in zero gravity

    By Cassel, April 20, 2019
    • 19 replies
    • 1.2k views
    • 
    • DNKKING
    • April 25, 2019

12. N-body simulation software?

    By KerikBalm, April 23, 2019
    • 12 replies
    • 1.4k views
    • 
    • Nightside
    • April 24, 2019

13. Can someone give me a run down of the docking ports on the ISS

    By AverageUser54, April 21, 2019
    • 8 replies
    • 2.8k views
    • 
    • mikegarrison
    • April 23, 2019

14. My Exoplanet Discoveries [Formerly "KIC 7848638 - My First Solar System"] 1 2 3 4 11

    By ProtoJeb21, August 6, 2016   

    • i found planets!
    • wooohoooooo!
    • 266 replies
    • 49.8k views
    • 
    • ILoveStars
    • April 23, 2019

15. Luna 15 as Seen from Apollo 11 Landing Site

    By klesh, April 15, 2019
    • 8 replies
    • 1.5k views
    • 
    • mikegarrison
    • April 23, 2019

16. The Van Allen Belts

    By A Random Kerbonaut, April 17, 2019
    • 13 replies
    • 1.2k views
    • 
    • kerbiloid
    • April 19, 2019

17. 3 facts maybe you don't know about antimatter

    By caballerodiez, April 13, 2019
    • 11 replies
    • 1.2k views
    • 
    • wumpus
    • April 17, 2019

18. Vote to name largest minor planet in our solar system

    By steve58, April 15, 2019   

    • vili
    • gonggong
    • (and 1 more)

       Tagged with:

      • vili
      • gonggong
      • holle
    • 12 replies
    • 1k views
    • 
    • ThatGuyWithALongUsername
    • April 17, 2019

19. Second planet candidate found around Proxima Centauri

    By Hypercosmic, April 13, 2019
    • 12 replies
    • 1.2k views
    • 
    • ProtoJeb21
    • April 16, 2019

20. MAVEN successfully completed its aerobraking!

    By Rybo, April 16, 2019
    • 3 replies
    • 867 views
    • 
    • YNM
    • April 16, 2019

21. Is it feasible to synthesize RP-1?

    By RocketSquid, April 9, 2019
    • 17 replies
    • 1.9k views
    • 
    • kerbiloid
    • April 15, 2019

22. Another one bites the dust: Intelsat 29e smackdown

    By lajoswinkler, April 14, 2019   

    • intelsat
    • 8 replies
    • 1k views
    • 
    • Scotius
    • April 14, 2019

23. SABRE rocket engine could fly at ultrafast Mach 25!

    By Red Stapler, April 10, 2019   

    • spaceplane
    • 19 replies
    • 2k views
    • 
    • KerikBalm
    • April 12, 2019

24. Help name a dwarf planet

    By PakledHostage, April 11, 2019
    • 11 replies
    • 773 views
    • 
    • kerbiloid
    • April 12, 2019

25. Time crystals what?

    By Starstruck69, April 9, 2019
    • 13 replies
    • 1.2k views
    • 
    • Starstruck69
    • April 9, 2019