Science & Spaceflight

8,461 topics in this forum

1. Dust clouds found in em l-5

   By insert_name, October 26, 2018
   • 6 replies
   • 632 views
   • 
   • Green Baron
   • October 26, 2018

2. Simple explanation for PID controller?

   By Guest, October 22, 2018
   • 8 replies
   • 3.2k views
   • 
   • Mad Rocket Scientist
   • October 26, 2018

3. Space Shuttle / ISS orientation during orbit - how is it maintained? (orbital mechanics question) 1 2

   By JoeSchmuckatelli, October 23, 2018
   • 27 replies
   • 2.9k views
   • 
   • DerekL1963
   • October 25, 2018

4. The end of NASA 1 2 3 4

   By Cassel, October 18, 2018
   • 99 replies
   • 6.8k views
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   • wumpus
   • October 25, 2018

5. Dandelion Flight

   By Klapaucius, October 24, 2018
   • 4 replies
   • 583 views
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   • Scotius
   • October 24, 2018

6. Alternate Spaceshuttle? 1 2 3

   By ValleyTwo, October 20, 2018
   • 50 replies
   • 4k views
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   • DerekL1963
   • October 24, 2018

7. de laval nozzle in the center of a toroidal aerospike

   By farmerben, October 23, 2018
   • 5 replies
   • 992 views
   • 
   • sevenperforce
   • October 24, 2018

8. Would we ever go back to the moon surface in a official capacity?

   By Cloakedwand72, October 20, 2018
   • 17 replies
   • 2k views
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   • kerbiloid
   • October 24, 2018

9. How many unlaunched ISS Derived modules do we have still have on earth? 1 2

   By Cloakedwand72, October 21, 2018
   • 25 replies
   • 1.7k views
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   • Ultimate Steve
   • October 22, 2018

10. 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
    • 36.1k views
    • 
    • _Augustus_
    • October 22, 2018

11. What do you think about "First Man" a naw biopic movie about Neil Armstrong?

    By Pawelk198604, October 17, 2018   

    • nasa
    • apollo
    • 14 replies
    • 1.6k views
    • 
    • Spark Plug
    • October 22, 2018

12. Space shuttle and iss

    By Jonda, October 9, 2018
    • 10 replies
    • 4.8k views
    • 
    • Jonda
    • October 21, 2018

13. Detect exoplanets by yourself with the cheapest equipment

    By caballerodiez, October 12, 2018
    • 4 replies
    • 588 views
    • 
    • caballerodiez
    • October 21, 2018

14. Ammonia / Hydrogen Peroxide propellant properties?

    By AeroGav, October 19, 2018
    • 22 replies
    • 3.8k views
    • 
    • DerekL1963
    • October 21, 2018

15. Great Shift - The Gram to Be Redefined

    By XB-70A, October 20, 2018
    • 12 replies
    • 1.6k views
    • 
    • magnemoe
    • October 21, 2018

16. Looking for an article re: Asteroid Impact effects

    By Laie, October 20, 2018
    • 2 replies
    • 412 views
    • 
    • Laie
    • October 20, 2018

17. Streetlights, but from Space 1 2

    By Shpaget, October 18, 2018
    • 26 replies
    • 1.9k views
    • 
    • YNM
    • October 20, 2018

18. Rockets

    By KPN, October 19, 2018
    • 4 replies
    • 713 views
    • 
    • Gargamel
    • October 19, 2018

19. PLATO and ARIEL space telescopes

    By Spaceception, October 19, 2018
    • 0 replies
    • 656 views
    • 
    • Spaceception
    • October 19, 2018

20. Tsunami about to smash an airport... what would you do? 1 2

    By AeroGav, September 18, 2018
    • 41 replies
    • 3k views
    • 
    • razark
    • October 19, 2018

21. Best "artsy" photos Titan

    By G'th, October 17, 2018
    • 6 replies
    • 1.1k views
    • 
    • G'th
    • October 18, 2018

22. Colonising Mars and a meme I found 1 2 3 4 9

    By p1t1o, October 1, 2018
    • 215 replies
    • 12.3k views
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    • CharmSado
    • October 17, 2018

23. what is geo orbit

    By Ritesh, October 15, 2018
    • 7 replies
    • 846 views
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    • Delay
    • October 16, 2018

24. Are retrograde orbits bad in real life too?

    By nascarlaser1, October 15, 2018
    • 11 replies
    • 1.1k views
    • 
    • wumpus
    • October 16, 2018

25. KSP compared to a real Soyuz control panel

    By Man in the Mun, October 14, 2018
    • 2 replies
    • 3.6k views
    • 
    • DDE
    • October 15, 2018