Science & Spaceflight

8,476 topics in this forum

1. Metallic Hydrogen created, will change spaceflight 1 2 3

   By Peder, January 26, 2017   

   • metallic hydrogen spaceflight fuel
   • super fuel
   • 70 replies
   • 8.3k views
   • 
   • YNM
   • March 1, 2017

2. Lunar rescue plan? 1 2

   By Jestersage, February 19, 2017
   • 38 replies
   • 3.5k views
   • 
   • munlander1
   • February 28, 2017

3. Interstellar highways

   By Spaceception, February 27, 2017   

   • laser sails
   • interstellar travel
   • 11 replies
   • 3.1k views
   • 
   • kerbiloid
   • February 28, 2017

4. A new 650 satellite constelation 1 2 3

   By Shpaget, June 15, 2015
   • 66 replies
   • 7.7k views
   • 
   • Kryten
   • February 28, 2017

5. What do you think? Living on Jupiter and its Moons.

   By MatterBeam, February 22, 2017
   • 15 replies
   • 4.9k views
   • 
   • kerbiloid
   • February 27, 2017

6. Cycler Ships 1 2 3 4 5

   By Northstar1989, December 9, 2014
   • 114 replies
   • 16.6k views
   • 
   • Northstar1989
   • February 27, 2017

7. Petition to name the TRAPPIST-1 planets after KSP's Kerbol system!

   By Pixel of Life, February 24, 2017
   • 2 replies
   • 1k views
   • 
   • kerbiloid
   • February 25, 2017

8. ESA Soyuz launch, dock and recovery videos

   By Tyko, February 19, 2017
   • 13 replies
   • 1.7k views
   • 
   • asmi
   • February 23, 2017

9. Shuttle lift off if no Gravity 1 2

   By NoGravity, February 22, 2017   

   • gravity
   • no gravity
   • 33 replies
   • 3.1k views
   • 
   • Nibb31
   • February 23, 2017

10. Interstellar War 1 2

    By Souper, February 21, 2017   

    • war
    • space
    • (and 1 more)

       Tagged with:

      • war
      • space
      • relativity
    • 44 replies
    • 3.3k views
    • 
    • YNM
    • February 22, 2017

11. Maximum efficiency

    By yourfriend499, February 19, 2017   

    • programming
    • science
    • (and 1 more)

       Tagged with:

      • programming
      • science
      • math
    • 5 replies
    • 1.1k views
    • 
    • FleshJeb
    • February 22, 2017

12. Help NASA to find planet nine!

    By kunok, February 16, 2017
    • 22 replies
    • 2.5k views
    • 
    • kunok
    • February 22, 2017

13. Jovian Warfare

    By Souper, February 21, 2017   

    • jupiter
    • war
    • (and 1 more)

       Tagged with:

      • jupiter
      • war
      • orbital mechanics
    • 23 replies
    • 2.5k views
    • 
    • Bill Phil
    • February 22, 2017

14. Astronaut competition

    By totalitor, February 21, 2017
    • 20 replies
    • 1.3k views
    • 
    • tater
    • February 21, 2017

15. Vitae Lunar Sculpture Project. 1 2

    By UnusualAttitude, February 18, 2017   

    • space art
    • crs-10
    • 29 replies
    • 2.9k views
    • 
    • ChainiaC
    • February 20, 2017

16. Juno won't perform lowering orbit burn

    By VaPaL, February 20, 2017
    • 2 replies
    • 621 views
    • 
    • VaPaL
    • February 20, 2017

17. Space Shuttle main engine startup in slow-mo! 1 2

    By Deadweasel, December 3, 2013
    • 25 replies
    • 7.6k views
    • 
    • [MG]Atlas
    • February 20, 2017

18. Why doesn't the Scaled Composites Stratolaunch have Swept Wings? 1 2 3 4

    By Northstar1989, February 14, 2017   

    • aircraft air-launch to orbit
    • 77 replies
    • 8.8k views
    • 
    • sal_vager
    • February 20, 2017

19. Ceres & Life's Building Blocks

    By LordFerret, February 17, 2017
    • 18 replies
    • 1.4k views
    • 
    • Green Baron
    • February 19, 2017

20. Rocket vs Low Subsonic Ramjet

    By Waleed A., August 28, 2016   

    • rocket
    • ramjet
    • 11 replies
    • 2.4k views
    • 
    • Nicus
    • February 16, 2017

21. SS-520-4 launch Jan 14th; smallest orbital rocket ever 1 2

    By Kryten, January 9, 2017
    • 32 replies
    • 5.7k views
    • 
    • YNM
    • February 15, 2017

22. There's now 100+ new Exoplanet candidates that you can help find

    By Spaceception, February 14, 2017
    • 5 replies
    • 643 views
    • 
    • YNM
    • February 15, 2017

23. ISRO attempts to launch 104 satellites in one go.

    By Nick88, February 14, 2017   

    • isro
    • pslv
    • (and 1 more)

       Tagged with:

      • isro
      • pslv
      • cartosat
    • 16 replies
    • 1.9k views
    • 
    • Streetwind
    • February 15, 2017

24. Ariane 5 launch successful

    By insert_name, February 14, 2017
    • 6 replies
    • 769 views
    • 
    • Firemetal
    • February 14, 2017

25. Shkadov thrusters

    By Spaceception, February 13, 2017
    • 15 replies
    • 2.1k views
    • 
    • kerbiloid
    • February 14, 2017