Science & Spaceflight

8,468 topics in this forum

1. Sea-Level on Oblate Spheroid 1 2 3

   By arkie87, June 11, 2018
   • 61 replies
   • 4.9k views
   • 
   • sevenperforce
   • June 17, 2018

2. Inter-Orbital Kinetic Energy Exchanges: Free energy from the Outer Solar System 1 2

   By MatterBeam, June 6, 2018
   • 39 replies
   • 3.8k views
   • 
   • mrfox
   • June 17, 2018

3. Rocket Poster (NOW TAKING REQUESTS) 1 2 3 4

   By sevenperforce, April 26, 2018
   • 88 replies
   • 12.9k views
   • 
   • sevenperforce
   • June 17, 2018

4. Why does Russians now have so few female cosmonauts given the fact they was the first who send first woman into space? 1 2

   By Pawelk198604, June 8, 2018   

   • space
   • history
   • (and 1 more)

      Tagged with:

     • space
     • history
     • space race
   • 31 replies
   • 3.4k views
   • 
   • Vanamonde
   • June 15, 2018

5. Hohmann Transfer

   By Fez, June 14, 2018   

   • math
   • physics
   • (and 1 more)

      Tagged with:

     • math
     • physics
     • calculation
   • 6 replies
   • 822 views
   • 
   • sevenperforce
   • June 14, 2018

6. Why does Voskhod programme was cancelled so soon?

   By Pawelk198604, June 8, 2018
   • 11 replies
   • 1.4k views
   • 
   • kerbiloid
   • June 11, 2018

7. First Man

   By Gargamel, June 10, 2018
   • 4 replies
   • 802 views
   • 
   • Gargamel
   • June 10, 2018

8. Space Colonization/Settlement Discussion Thread

   By SaturnianBlue, June 5, 2018   

   • space colonization
   • space settlement
   • 21 replies
   • 1.3k views
   • 
   • kerbiloid
   • June 10, 2018

9. ESA proposes didimos orbiter

   By insert_name, June 10, 2018
   • 0 replies
   • 428 views
   • 
   • insert_name
   • June 10, 2018

10. Why are ships rotating? (during warp) 1 2

    By firda, June 4, 2018
    • 36 replies
    • 4.5k views
    • 
    • magnemoe
    • June 9, 2018

11. Soviet Moonshot need more delta V? 1 2

    By Jestersage, June 5, 2018
    • 28 replies
    • 2.1k views
    • 
    • sevenperforce
    • June 8, 2018

12. Adeline concept for Ariane 6 1 2 3 4 6

    By H2O., June 7, 2015
    • 143 replies
    • 16.9k views
    • 
    • magnemoe
    • June 7, 2018

13. Leave a Legacy 1 2 3 4

    By sevenperforce, June 1, 2018
    • 78 replies
    • 7k views
    • 
    • kerbiloid
    • June 6, 2018

14. Is the Carter(Doomsday) hypothesis valid? 1 2 3

    By DAL59, May 21, 2018
    • 65 replies
    • 4.3k views
    • 
    • YNM
    • June 5, 2018

15. My multi-verse and black hole theory

    By Johnnyc, June 5, 2018
    • 1 reply
    • 428 views
    • 
    • sevenperforce
    • June 5, 2018

16. Would polluting other planets be unethical? 1 2

    By Nightside, May 31, 2018
    • 35 replies
    • 2.3k views
    • 
    • kerbiloid
    • June 4, 2018

17. Kepler-138 is...weird

    By ProtoJeb21, June 1, 2018
    • 1 reply
    • 603 views
    • 
    • p1t1o
    • June 1, 2018

18. WIP: Water in the system of Kerbol (Help wanted)

    By whirlwind, June 1, 2018
    • 0 replies
    • 429 views
    • 
    • whirlwind
    • June 1, 2018

19. Lasers, Mirrors and Star Pyramids

    By MatterBeam, May 22, 2018   

    • lasers
    • space war
    • 18 replies
    • 2.9k views
    • 
    • hms_warrior
    • June 1, 2018

20. Drag coefficient of my rocket

    By Azerty, May 23, 2018
    • 23 replies
    • 4.4k views
    • 
    • Azerty
    • May 27, 2018

21. Mach Effect Thrusters: Humanity to the Stars 1 2

    By Zeiss Ikon, April 1, 2018   

    • starflight reactionless-drive
    • 32 replies
    • 4.9k views
    • 
    • MaverickSawyer
    • May 27, 2018

22. Fixing a multi meter?

    By Arugela, May 22, 2018
    • 16 replies
    • 3.8k views
    • 
    • Shpaget
    • May 26, 2018

23. Atlas Photo Dump

    By Racescort666, May 25, 2018   

    • atlas
    • photo dump
    • 2 replies
    • 727 views
    • 
    • kerbiloid
    • May 26, 2018

24. Artificial gravity wheels make people sick or other side affects?

    By CrashyMcCrashFace, May 21, 2018
    • 14 replies
    • 1.1k views
    • 
    • Gargamel
    • May 24, 2018

25. Theoretically, how close could any probe get to a star?

    By Ultimate Steve, May 23, 2018
    • 9 replies
    • 786 views
    • 
    • sevenperforce
    • May 23, 2018