Science & Spaceflight

8,375 topics in this forum

1. Knowledge Is Power... Only If You Have The Will To Use It....

   By Spacescifi, April 11
   • 21 replies
   • 386 views
   • 
   • darthgently
   • April 13

2. Odyssey, a personal concept for an Interstellar Probe.

   By Minmus Taster, April 11
   • 2 replies
   • 210 views
   • 
   • Minmus Taster
   • April 12

3. Starlink Thread (split from SpaceX) 1 2 3 4 26

   By DAL59, February 17, 2018
   • 633 replies
   • 44.3k views
   • 
   • darthgently
   • April 8

4. Imperial versus metric 1 2 3 4 16

   By Camacha, December 30, 2013
   • 380 replies
   • 30k views
   • 
   • Nuke
   • April 6

5. How do you shoot a moving target algorithmically?

   By LHACK4142, April 4
   • 8 replies
   • 340 views
   • 
   • Hannu2
   • April 4

6. The Feasibility Of Natural Exoskeletal Hands In Scifi...

   By Spacescifi, April 3
   • 13 replies
   • 300 views
   • 
   • darthgently
   • April 4

7. holographic 2D monitor for viewing angles?

   By Arugela, March 30
   • 4 replies
   • 170 views
   • 
   • Nuke
   • April 3

8. How large a space telescope do we need to see exo-civilizations? 1 2

   By Exoscientist, September 27, 2020   

   • exobiology
   • alien life
   • (and 2 more)

      Tagged with:

     • exobiology
     • alien life
     • space telescopes
     • exo-civilizations
   • 27 replies
   • 1.7k views
   • 
   • magnemoe
   • April 1

9. JAXA (& other Japanese) Launch and Discussion Thread 1 2 3 4 14

   By tater, August 19, 2017
   • 346 replies
   • 28.1k views
   • 
   • AckSed
   • March 31

10. How Would Humanity Develop If Immortality Was A Thing?

    By Spacescifi, March 20
    • 19 replies
    • 491 views
    • 
    • magnemoe
    • March 30

11. the vertical launch approach 1 2

    By farmerben, March 22
    • 45 replies
    • 1.1k views
    • 
    • magnemoe
    • March 29

12. How Do Long Range Space Combat Lasers Work?

    By Spacescifi, March 26
    • 11 replies
    • 290 views
    • 
    • magnemoe
    • March 27

13. Will StratoLaunch Fly? 1 2 3 4 9

    By fredinno, October 16, 2015
    • 214 replies
    • 20.4k views
    • 
    • tater
    • March 26

14. Metalic hydrogen diamond engine?(or other form of carbon.)

    By Arugela, March 21
    • 8 replies
    • 300 views
    • 
    • kerbiloid
    • March 24

15. Antimatter Propulsion.. From Earth To Mars Only Requires Milligrams?! 1 2

    By Spacescifi, March 9
    • 42 replies
    • 1.2k views
    • 
    • kerbiloid
    • March 22

16. Fusion drive when?

    By Exoscientist, March 20
    • 21 replies
    • 593 views
    • 
    • Exoscientist
    • March 22

17. Sorry, Ron D. Moore... the Soviets were never going to beat the US to the Moon 1 2

    By SunlitZelkova, October 24, 2023
    • 39 replies
    • 1.8k views
    • 
    • kerbiloid
    • March 21

18. Northrop Grumman Innovation Systems (Orbital ATK) thread 1 2 3 4 14

    By tater, November 6, 2017   

    • antares
    • cygnus
    • (and 3 more)

       Tagged with:

      • antares
      • cygnus
      • atk
      • orbital
      • oatk
    • 341 replies
    • 28.7k views
    • 
    • tater
    • March 20

19. Firefly Aerospace Discussion Thread 1 2 3 4 8

    By Ultimate Steve, May 3, 2018
    • 190 replies
    • 14.9k views
    • 
    • tater
    • March 20

20. An Alternative Way Of Supplying Energy For FTL In Scifi...

    By Spacescifi, March 19
    • 5 replies
    • 183 views
    • 
    • kerbiloid
    • March 20

21. How Come Nuclear Saltwater Rocket Engines Do Not Melt?

    By Spacescifi, March 16
    • 16 replies
    • 433 views
    • 
    • sevenperforce
    • March 20

22. How do lenses really work?

    By LHACK4142, March 10
    • 6 replies
    • 358 views
    • 
    • Hannu2
    • March 19

23. R.I.P. Tom Stafford

    By PakledHostage, March 18
    • 0 replies
    • 101 views
    • 
    • PakledHostage
    • March 18

24. Gravitics (space station startup) 1 2

    By tater, March 8, 2023
    • 38 replies
    • 1.9k views
    • 
    • AckSed
    • March 17

25. NASA Chandra situation

    By darthgently, March 14
    • 6 replies
    • 243 views
    • 
    • DDE
    • March 15