Science & Spaceflight

8,375 topics in this forum

1. Boring company 1 2 3 4 20

   By Mad Rocket Scientist, April 28, 2017
   • 490 replies
   • 40.4k views
   • 
   • kerbiloid
   • July 23, 2020

2. How long can our infrastructure (water, electricity, etc) last in a zombie apocalypse? 1 2 3

   By RainDreamer, July 4, 2015
   • 52 replies
   • 39.6k views
   • 
   • magnemoe
   • July 11, 2015

3. Space Plankton. 1 2

   By Vanamonde, August 19, 2014
   • 40 replies
   • 39.5k views
   • 
   • Janet
   • August 22, 2014

4. Red Dragon confirmed!! 1 2 3 4 19

   By MajorLeaugeRocketScience, April 27, 2016   

   • spacex
   • red dragon
   • (and 1 more)

      Tagged with:

     • spacex
     • red dragon
     • falcon heavy
   • 453 replies
   • 39.3k views
   • 
   • Virtual
   • September 23, 2016

5. Whay would real-life war spacecraft look like? 1 2 3 4 11

   By FishInferno, November 24, 2014
   • 252 replies
   • 39.3k views
   • 
   • Hummingbird Aerospace
   • September 15, 2018

6. Who won the Space Race? Community poll 1 2 3 4 9

   By czokletmuss, September 13, 2013
   • 217 replies
   • 38.9k views
   • 
   • Wahgineer
   • October 8, 2013

7. So, you have a plane on a conveyor belt... 1 2 3 4 19

   By Randazzo, March 25, 2015
   • 458 replies
   • 38.9k views
   • 
   • peadar1987
   • June 27, 2018

8. EmDrive 1 2 3 4 9

   By FREEFALL1984, May 9, 2014
   • 202 replies
   • 38.8k views
   • 
   • Z-Man
   • September 1, 2014

9. totm oct 2023 NASA's OSIRIS-REx 1 2 3 4 18

   By archenemy_6, May 21, 2016
   • 449 replies
   • 38.2k views
   • 
   • IonStorm
   • May 13

10. How would you improve the Shuttle design? 1 2 3 4 12

    By Epic DaVinci, May 19, 2013
    • 275 replies
    • 37.5k views
    • 
    • KASASpace
    • January 10, 2014

11. Official Orion Launch Thread - 12-4-14 1 2 3 4 16

    By Tux, November 19, 2014
    • 391 replies
    • 37.3k views
    • 
    • jfull
    • December 7, 2014

12. Nasa is considering a Manned Mission to Venus before Mars! 1 2 3 4 11

    By AngelLestat, December 20, 2014
    • 262 replies
    • 37.2k views
    • 
    • Vanamonde
    • April 30, 2015

13. Major Proton launch failure 1 2 3 4 8

    By Kryten, July 2, 2013
    • 191 replies
    • 36.6k views
    • 
    • Thorbane
    • August 14, 2013

14. Converting ISP and thrust into fuel consumption

    By kahlzun, October 9, 2012
    • 20 replies
    • 36.1k views
    • 
    • jebbe
    • October 11, 2012

15. oberth effect 1 2 3 4 10

    By JtPB, February 24, 2014
    • 225 replies
    • 35.2k views
    • 
    • Red Iron Crown
    • April 30, 2014

16. So Pluto is a planet!? 1 2 3 4 11

    By worir4, October 2, 2014
    • 263 replies
    • 35.1k views
    • 
    • Alchemist
    • November 18, 2014

17. ISRO Discussion Thread 1 2 3 4 17

    By TheEpicSquared, June 4, 2017   

    • isro
    • 405 replies
    • 33.8k views
    • 
    • Minmus Taster
    • May 14

18. Amateur Telescope Making (UPDATED 9/23/18) - 20" f/4 Nearly Complete 1 2 3 4 11

    By _Augustus_, May 24, 2017   

    • astronomy
    • amateur telescope making
    • (and 1 more)

       Tagged with:

      • astronomy
      • amateur telescope making
      • diy
    • 258 replies
    • 33.7k views
    • 
    • _Augustus_
    • October 22, 2018

19. LOST... Old concepts to project never going off paper 1 2 3 4 13

    By Guest, September 10, 2020
    • 315 replies
    • 32.8k views
    • 
    • magnemoe
    • April 26

20. Tesla Thread 1 2 3 4 18

    By GearsNSuch, January 14, 2020
    • 429 replies
    • 32.8k views
    • 
    • tater
    • May 13

21. Random Science Facts Thread! 1 2 3 4 16

    By Grand Ship Builder, October 27, 2017   

    • random science facts
    • thread
    • 375 replies
    • 32.4k views
    • 
    • Nightside
    • September 5, 2020

22. Big Dumb Boosters- and why we're overthinking this whole rocketry business 1 2 3 4 8

    By Northstar1989, June 26, 2014
    • 184 replies
    • 32.2k views
    • 
    • Bill Phil
    • September 18, 2016

23. soyuz the underappreciated workhorse? 1 2 3 4 12

    By crazyewok, December 26, 2013
    • 287 replies
    • 32.2k views
    • 
    • sjwt
    • January 28, 2014

24. Terraforming Venus 1 2 3 4 9

    By Rakaydos, February 8, 2014
    • 214 replies
    • 31.5k views
    • 
    • Vanamonde
    • March 5, 2014

25. I need someone help me do some math for launch optimization 1 2 3 4 6

    By SaturnV, August 15, 2013
    • 147 replies
    • 31.3k views
    • 
    • fibonatic
    • September 11, 2014