Science & Spaceflight

8,461 topics in this forum

1. Godzilla's atomic breathe: Nuclear salt-water?

   By coyotesfrontier, July 4, 2020
   • 7 replies
   • 2.2k views
   • 
   • DDE
   • July 5, 2020

2. They Found Eve

   By sevenperforce, July 2, 2020
   • 5 replies
   • 728 views
   • 
   • kerbiloid
   • July 4, 2020

3. My Science Denial Documentary Airing Tonight on PBS Independent Lens 1 2

   By sevenperforce, February 17, 2020
   • 38 replies
   • 3.4k views
   • 
   • sevenperforce
   • July 2, 2020

4. Fenris - SSTO candidate?

   By JoeSchmuckatelli, June 26, 2020
   • 21 replies
   • 1.3k views
   • 
   • Nuke
   • June 30, 2020

5. Real-life implementation of KSP (ESA Solar Orbiter from Quarantine Home Office)

   By Corax, June 30, 2020   

   • esa
   • solar orbiter
   • (and 2 more)

      Tagged with:

     • esa
     • solar orbiter
     • ksp
     • irl
   • 0 replies
   • 485 views
   • 
   • Corax
   • June 30, 2020

6. Best Theoretical Spaceship 1 2

   By Spacescifi, June 18, 2020
   • 36 replies
   • 2.4k views
   • 
   • kerbiloid
   • June 30, 2020

7. Prometheus Turbo Rocket concept 1 2

   By tater, September 20, 2019
   • 49 replies
   • 4.2k views
   • 
   • Spacescifi
   • June 29, 2020

8. Can you survive a train wreck?

   By Arugela, June 13, 2020
   • 16 replies
   • 1.2k views
   • 
   • mikegarrison
   • June 26, 2020

9. If something like Minmus existed in real life, would our technology be different?

   By Sharkman Briton, August 16, 2015
   • 20 replies
   • 6.4k views
   • 
   • DDE
   • June 26, 2020

10. What You Need To Colonize Dinosaur World 1 2

    By Spacescifi, June 21, 2020
    • 31 replies
    • 2.1k views
    • 
    • kerbiloid
    • June 25, 2020

11. Quantum Gravity-Which Theory?

    By SOXBLOX, June 19, 2020   

    • quantum gravity
    • string theory
    • 1 reply
    • 384 views
    • 
    • K^2
    • June 19, 2020

12. Nuclear Thermal Ramrockets

    By Northstar1989, June 13, 2020   

    • nuclear propulsion
    • airbreathing engines
    • (and 3 more)

       Tagged with:

      • nuclear propulsion
      • airbreathing engines
      • ramjets
      • thermal turbojets
      • sstos
    • 20 replies
    • 1.8k views
    • 
    • Northstar1989
    • June 16, 2020

13. Can We Reliably Calculate Speed/trajectory of Stars in Real-time?

    By Spacescifi, June 10, 2020
    • 18 replies
    • 1.2k views
    • 
    • magnemoe
    • June 13, 2020

14. [Computers] Overclocking 1 2

    By montyben101, February 15, 2015
    • 27 replies
    • 6.1k views
    • 
    • Geonovast
    • June 12, 2020

15. Fomalhaut b does not exist

    By ProtoJeb21, April 21, 2020
    • 5 replies
    • 808 views
    • 
    • magnemoe
    • June 12, 2020

16. Air-Augmented Aerospike Rockets

    By Northstar1989, June 11, 2020   

    • rocketry
    • aerospikes
    • (and 3 more)

       Tagged with:

      • rocketry
      • aerospikes
      • ducted rockets
      • ejector rockets
      • airbreathing rockets
    • 1 reply
    • 1.1k views
    • 
    • KerikBalm
    • June 11, 2020

17. hit the earth at 15,000,000,000,000,000 times the speed of light? 1 2 3

    By Kerbal4, February 18, 2020   

    • rud
    • kaboom
    • (and 3 more)

       Tagged with:

      • rud
      • kaboom
      • fast
      • lightspeed
      • earth
    • 50 replies
    • 3.6k views
    • 
    • sevenperforce
    • June 10, 2020

18. Did Grandi's Series mathematically prove the superposition of particles?

    By Themohawkninja, August 2, 2013
    • 22 replies
    • 6k views
    • 
    • magnemoe
    • June 9, 2020

19. Krueger Flaps

    By Aelipse, May 31, 2020
    • 6 replies
    • 1.7k views
    • 
    • Guest
    • June 8, 2020

20. Inertial Confinement Fission

    By Bill Phil, June 2, 2020   

    • power
    • nuclear
    • (and 3 more)

       Tagged with:

      • power
      • nuclear
      • inertial confinement
      • propulsion
      • pulse
    • 23 replies
    • 2.2k views
    • 
    • Bill Phil
    • June 6, 2020

21. At What Rate Of Constant Acceleration Is Earth No Longer A Threat? 1 2

    By Spacescifi, May 26, 2020
    • 25 replies
    • 1.9k views
    • 
    • natsirt721
    • June 5, 2020

22. A lawyer, an accountant and a doctor debate science with a 12 year old...

    By JoeSchmuckatelli, June 5, 2020
    • 4 replies
    • 1.4k views
    • 
    • JoeSchmuckatelli
    • June 5, 2020

23. Air will always try to fill a vacuum.

    By vetrox, April 17, 2014
    • 16 replies
    • 4.7k views
    • 
    • Snark
    • June 3, 2020

24. Do relays communicate with Earth and rovers/satellites at the same time?

    By Xavven, May 24, 2020
    • 11 replies
    • 1k views
    • 
    • natsirt721
    • June 2, 2020

25. Help Finding ESA Documentation

    By josselin2196, May 31, 2020   

    • esa
    • help
    • (and 3 more)

       Tagged with:

      • esa
      • help
      • space station
      • cnes
      • arianespace
    • 0 replies
    • 587 views
    • 
    • josselin2196
    • May 31, 2020