Science & Spaceflight

8,413 topics in this forum

1. 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
   • 1.9k views
   • 
   • magnemoe
   • April 1

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

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

3. the vertical launch approach 1 2

   By farmerben, March 22
   • 45 replies
   • 1.4k views
   • 
   • magnemoe
   • March 29

4. How Do Long Range Space Combat Lasers Work?

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

5. Will StratoLaunch Fly? 1 2 3 4 9

   By fredinno, October 16, 2015
   • 214 replies
   • 21.1k views
   • 
   • tater
   • March 26

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

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

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

   By Spacescifi, March 9
   • 42 replies
   • 1.4k views
   • 
   • kerbiloid
   • March 22

8. Fusion drive when?

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

9. 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
   • 2k views
   • 
   • kerbiloid
   • March 21

10. 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
    • 29.6k views
    • 
    • tater
    • March 20

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

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

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

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

13. How do lenses really work?

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

14. R.I.P. Tom Stafford

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

15. Gravitics (space station startup) 1 2

    By tater, March 8, 2023
    • 38 replies
    • 2.1k views
    • 
    • AckSed
    • March 17

16. NASA Chandra situation

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

17. If A Person Had Skin, Organs, and Muscle With The Same Strength and Stretchiness as Spider Silk Would They Be Super Durable?

    By Spacescifi, March 11
    • 5 replies
    • 378 views
    • 
    • kerbiloid
    • March 13

18. Magnetohydrodynamic Research Into Uber Magnets...

    By Spacescifi, March 10
    • 5 replies
    • 370 views
    • 
    • kerbiloid
    • March 11

19. Overview of all AI, not just LLMs 1 2 3

    By darthgently, January 5
    • 67 replies
    • 2.4k views
    • 
    • magnemoe
    • March 11

20. Astra Space Inc. (formerly Ventions) Launch 1 2 3 4 9

    By tater, April 3, 2018
    • 220 replies
    • 18.3k views
    • 
    • RCgothic
    • March 10

21. The James Webb Space Telescope and stuff 1 2 3 4 35

    By Streetwind, November 3, 2016   

    • jwst
    • james webb space telescope
    • (and 1 more)

       Tagged with:

      • jwst
      • james webb space telescope
      • astronomy
    • 869 replies
    • 67.4k views
    • 
    • Spaceception
    • March 8

22. The Technology Development Goldilocks Zone...

    By Spacescifi, March 7
    • 10 replies
    • 355 views
    • 
    • magnemoe
    • March 8

23. European Space Agency (ESA) Thread

    By RCgothic, November 7, 2023
    • 23 replies
    • 1.2k views
    • 
    • Exoscientist
    • March 7

24. Long term storage of fuel and oxidizer in space.

    By farmerben, February 18
    • 20 replies
    • 688 views
    • 
    • mikegarrison
    • March 7

25. ABL Space Systems Thread

    By steve9728, January 11, 2023
    • 6 replies
    • 930 views
    • 
    • tater
    • March 6