Science & Spaceflight

6,751 topics in this forum

1. For Questions That Don't Merit Their Own Thread

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   By Skyler4856, November 26, 2014
   • 2,020 replies
   • 83,900 views
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   • K^2
   • Monday at 09:20 PM

2. What is this place?

   By HarvesteR, October 3, 2012
   • 2 replies
   • 11,615 views
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   • HarvesteR
   • October 3, 2012

3. SpaceX Discussion Thread

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   By Skylon, April 28, 2017   

   • spacex
   • 11,081 replies
   • 363,412 views
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   • magnemoe
   • 1 hour ago

4. Serious Scientific Answers to Absurd Hypothetical questions

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   By DAL59, November 3, 2017
   • 423 replies
   • 10,359 views
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   • kerbiloid
   • 1 hour ago

5. Why NASA dropped idea of using MMU (Manned Maneuvering Unit)?

   By Pawelk198604, yesterday at 05:24 PM
   • 8 replies
   • 145 views
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   • Gargamel
   • 1 hour ago

6. Why can I achieve higher altitudes when flying in Orbit than straight up?

   By Karol van Kermin, Wednesday at 12:53 PM   

   • physics
   • spaceflight
   • (and 2 more)

     Tagged with:

     • physics
     • spaceflight
     • mathematics
     • maths
   • 22 replies
   • 319 views
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   • wumpus
   • 3 hours ago

7. Fiddling with orbital equations

   By Kebral, 23 hours ago   

   • eccentricity
   • velocity
   • (and 1 more)

     Tagged with:

     • eccentricity
     • velocity
     • equation orbit
   • 6 replies
   • 87 views
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   • Mad Rocket Scientist
   • 3 hours ago

8. BOINC

   By Gargamel, 3 hours ago
   • 0 replies
   • 22 views
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   • Gargamel
   • 3 hours ago

9. The Astro-Imaging Thread

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   By ProtoJeb21, September 18, 2016   

   • astronomy
   • imaging
   • 821 replies
   • 27,988 views
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   • Reactordrone
   • 6 hours ago

10. Best C Library for 2D Games?

    By MDZhB, Thursday at 08:26 PM
    • 11 replies
    • 151 views
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    • K^2
    • 8 hours ago

11. ISRO Thread

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    By tater, January 12   

    • isro
    • india
    • (and 1 more)

      Tagged with:

      • isro
      • india
      • pslv
    • 41 replies
    • 1,361 views
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    • insert_name
    • 21 hours ago

12. ULA launch thread

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    By tater, September 21, 2017   

    • ula
    • atlas
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      Tagged with:

      • ula
      • atlas
      • delta
    • 437 replies
    • 12,849 views
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    • MaverickSawyer
    • 21 hours ago

13. JWST: it's done!

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    By Streetwind, November 3, 2016   

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

      Tagged with:

      • jwst
      • james webb space telescope
      • astronomy
    • 115 replies
    • 4,141 views
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    • sevenperforce
    • Yesterday at 07:26 PM

14. Soviet/Russian Spaceflight Bibliography (English)

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    By MaxwellsDemon, October 23, 2017   

    • soviet
    • bibliography
    • (and 2 more)

      Tagged with:

      • soviet
      • bibliography
      • russian
      • books
    • 31 replies
    • 1,107 views
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    • MaxwellsDemon
    • Yesterday at 06:20 PM

15. Russian Launch and Mission Thread

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    By tater, September 11, 2017   

    • roscosmos
    • soyuz
    • (and 2 more)

      Tagged with:

      • roscosmos
      • soyuz
      • proton
      • ils
    • 504 replies
    • 14,444 views
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    • sh1pman
    • Yesterday at 06:13 PM

16. SpaceX DM1 & In flight abort test this fall?

    By Cloakedwand72, Monday at 06:43 PM
    • 4 replies
    • 193 views
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    • Racescort666
    • Yesterday at 04:01 PM

17. SpaceX moon landing.

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    By Cloakedwand72, Thursday at 03:38 AM
    • 41 replies
    • 509 views
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    • tater
    • Yesterday at 02:48 PM

18. So I decided to make a solar system...

    By Eriksonn, Thursday at 09:44 PM
    • 10 replies
    • 135 views
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    • Eriksonn
    • Yesterday at 12:56 PM

19. Astra Space Inc. (formerly Ventions) Launch

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    By tater, April 3
    • 29 replies
    • 1,044 views
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    • Ultimate Steve
    • Yesterday at 05:09 AM

20. Green Propellant to Replace Hydrazine

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    By RuBisCO, July 11
    • 43 replies
    • 918 views
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    • wumpus
    • Thursday at 04:03 PM

21. Metal rich planetoid thought experiment

    By lajoswinkler, Wednesday at 05:03 PM
    • 11 replies
    • 180 views
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    • lajoswinkler
    • Thursday at 03:19 PM

22. BFR delivery to Deep space gateway & Mars Base camp?

    By Cloakedwand72, Thursday at 02:53 AM
    • 7 replies
    • 121 views
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    • YNM
    • Thursday at 01:46 PM

23. Making your own code

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    By Cheif Operations Director, August 8
    • 107 replies
    • 1,513 views
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    • Green Baron
    • Thursday at 08:41 AM

24. Boring company

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    By Mad Rocket Scientist, April 28, 2017
    • 298 replies
    • 10,111 views
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    • Mad Rocket Scientist
    • Thursday at 02:45 AM

25. NASA SLS/Orion/Payloads

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    By _Augustus_, April 28, 2017
    • 1,981 replies
    • 47,470 views
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    • sevenperforce
    • Wednesday at 05:04 PM