Science & Spaceflight

8,362 topics in this forum

1. Do you believe in the existence of highly advanced ancient Earth civilization before? 1 2 3 4 10

   By Pawelk198604, June 1, 2014
   • 245 replies
   • 19.5k views
   • 
   • sal_vager
   • June 5, 2014

2. Christopher Nolans "Interstellar" movie shines new light on black holes. 1 2 3 4 6

   By Frank_G, October 26, 2014
   • 134 replies
   • 19.5k views
   • 
   • problemecium
   • November 15, 2014

3. totm october 2020 Airplane Design Q&A 1 2 3 4 8

   By mikegarrison, September 25, 2020
   • 187 replies
   • 19.4k views
   • 
   • Exploro
   • June 13, 2021

4. Hayabusa 2 on its way back to earth 1 2 3 4 9

   By insert_name, June 16, 2018   

   • asteroid
   • sample return
   • (and 1 more)

      Tagged with:

     • asteroid
     • sample return
     • jaxa
   • 211 replies
   • 19.3k views
   • 
   • tater
   • February 24, 2023

5. FTL communication 1 2 3 4 7

   By Pawelk198604, September 10, 2014
   • 174 replies
   • 19.2k views
   • 
   • stupid_chris
   • September 30, 2014

6. 5G 1 2

   By Starstruck69, August 28, 2019
   • 29 replies
   • 18.9k views
   • 
   • magnemoe
   • September 6, 2019

7. Is a Death Star physically possible? 1 2 3 4

   By A35K, December 23, 2015   

   • death star
   • star wars
   • 87 replies
   • 18.9k views
   • 
   • A35K
   • January 28, 2016

8. What is the most dangerous chemical that you know about 1 2 3 4 6

   By Ethanadams, October 3, 2015
   • 127 replies
   • 18.8k views
   • 
   • Hannu
   • October 10, 2015

9. Why aren't we using nuclear thermal rockets? 1 2 3 4 8

   By Temstar, October 11, 2012
   • 184 replies
   • 18.8k views
   • 
   • Green Baron
   • December 25, 2018

10. Why does the universe exist? 1 2 3 4 7

    By Monkeh, August 29, 2013
    • 171 replies
    • 18.3k views
    • 
    • Findthepin1
    • December 15, 2015

11. STS Shuttle discussion thread 1 2 3 4 12

    By GoSlash27, January 15, 2018
    • 296 replies
    • 18.3k views
    • 
    • michal.don
    • March 6, 2018

12. Manned mission to mars 1 2 3 4 6

    By metalAZZman, May 21, 2013
    • 134 replies
    • 17.9k views
    • 
    • maccollo
    • December 14, 2013

13. C, C++, C# Programming - what is the sense in this 1 2 3 4 7

    By PB666, September 28, 2015
    • 170 replies
    • 17.8k views
    • 
    • EladDv
    • November 30, 2015

14. Is an Iron-Man suit physically possible? 1 2 3 4

    By WestAir, January 19, 2016
    • 96 replies
    • 17.7k views
    • 
    • magnemoe
    • December 18, 2018

15. Making a rocket to beat all other rockets 1 2 3 4 11

    By alpha tech, February 17, 2017   

    • spaceflight
    • ameture rockets
    • 273 replies
    • 17.7k views
    • 
    • Razorforce7
    • April 6, 2017

16. Why do spaceships need wings in space? 1 2 3

    By 2001kraft, January 27, 2015
    • 63 replies
    • 17.6k views
    • 
    • lincourtl
    • January 29, 2015

17. SpaceX Grasshopper and re-usable plans 1 2 3 4 5

    By jfull, January 30, 2014
    • 108 replies
    • 17.6k views
    • 
    • Pretender6
    • September 15, 2014

18. Modern Propeller Fighter Aircraft

    By Comrade Jenkens, January 13, 2014
    • 22 replies
    • 17.6k views
    • 
    • Ignamious
    • January 14, 2014

19. How calculate ideal gravity assist 1 2

    By Pawelk198604, July 14, 2013
    • 29 replies
    • 17.6k views
    • 
    • Iansoreta
    • September 2, 2014

20. Stoke Space 1 2 3 4 14

    By tater, August 25, 2022
    • 336 replies
    • 17.5k views
    • 
    • Spaceception
    • April 5

21. SpaceX Mars colony predictions 1 2 3 4 9

    By Spaceception, January 14, 2016   

    • yes i know theres already a mct thread
    • 200 replies
    • 17.4k views
    • 
    • Ultimate Steve
    • September 20, 2016

22. Juno Arrival This Year! 1 2 3 4 7

    By KAL 9000, March 8, 2016
    • 174 replies
    • 17.3k views
    • 
    • darthgently
    • April 19

23. Iran unveils mockup of their one-man ship 1 2 3 4 5

    By xenomorph555, February 17, 2015
    • 124 replies
    • 17.3k views
    • 
    • xenomorph555
    • March 2, 2015

24. Orion program delayed 2 years 1 2 3 4 8

    By PB666, September 17, 2015
    • 196 replies
    • 17.2k views
    • 
    • Vanamonde
    • September 25, 2015

25. Weird military/government program patches 1 2

    By Deadweasel, December 6, 2013
    • 30 replies
    • 17.1k views
    • 
    • W Wiench
    • December 12, 2020