Science & Spaceflight

8,461 topics in this forum

1. Orbital mechanics of circularization 1 2

   By RizzoTheRat, February 1, 2019
   • 35 replies
   • 6.9k views
   • 
   • Cunjo Carl
   • May 5, 2019

2. Pluto mission with lander, rover, and Orbiter developement

   By Guest, May 2, 2019
   • 6 replies
   • 1k views
   • 
   • MaverickSawyer
   • May 4, 2019

3. First successful launch of Interstellar Technologies' MOMO sounding rocket (first private Japanese rocket in space)

   By Pipcard, May 3, 2019
   • 1 reply
   • 819 views
   • 
   • Cunjo Carl
   • May 4, 2019

4. Should our next crewed landings be on Mars or the Moon? 1 2

   By Guest, May 2, 2019   

   • bless
   • avenge your fallen brothers
   • (and 2 more)

      Tagged with:

     • bless
     • avenge your fallen brothers
     • we thank you oh monolith
     • for revealing the cunning plans of your enemies to us. may your light shine down on the souls of the brave soldiers who gave their lives in service to your will. onward warriors of the monolith
   • 30 replies
   • 1.7k views
   • 
   • DNKKING
   • May 3, 2019

5. One Star Reviews of Local Aluminum Manufacturers

   By Nightside, May 1, 2019
   • 10 replies
   • 900 views
   • 
   • DNKKING
   • May 3, 2019

6. What kind docking ports were on the MIR space station

   By AverageUser54, May 1, 2019
   • 6 replies
   • 726 views
   • 
   • DDE
   • May 1, 2019

7. Interplanetary travel question

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

8. Favourite spaceships that never flew? 1 2

   By Ol’ Musky Boi, April 2, 2019
   • 38 replies
   • 2.8k views
   • 
   • magnemoe
   • April 28, 2019

9. 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
   • 2.1k views
   • 
   • DDE
   • April 28, 2019

10. 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
    • 3k views
    • 
    • MatterBeam
    • April 27, 2019

11. Could you stop a nuke with bubbles?

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

12. The numerous landers since altair

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

13. Running out of air in spacesuit vs removing helmet

    By SRB, April 25, 2019
    • 15 replies
    • 1.2k views
    • 
    • kerbiloid
    • April 26, 2019

14. A 3rd planet around Kepler-47

    By ProtoJeb21, April 17, 2019   

    • irl tatooine
    • 8 replies
    • 1k views
    • 
    • Hypercosmic
    • April 25, 2019

15. Thermodynamic magic enables cooling without energy consumption

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

16. DA-Apollo Service propulsion system ...

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

17. Cognitive abilities are declining in zero gravity

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

18. N-body simulation software?

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

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

    By AverageUser54, April 21, 2019
    • 8 replies
    • 2.6k views
    • 
    • mikegarrison
    • April 23, 2019

20. 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
    • 49k views
    • 
    • ILoveStars
    • April 23, 2019

21. Luna 15 as Seen from Apollo 11 Landing Site

    By klesh, April 15, 2019
    • 8 replies
    • 1.4k views
    • 
    • mikegarrison
    • April 23, 2019

22. The Van Allen Belts

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

23. 3 facts maybe you don't know about antimatter

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

24. 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

25. Second planet candidate found around Proxima Centauri

    By Hypercosmic, April 13, 2019
    • 12 replies
    • 1.1k views
    • 
    • ProtoJeb21
    • April 16, 2019