Science & Spaceflight

8,476 topics in this forum

1. What if Apollo 13 Occured in an Apollo Direct Ascent Spacecraft?

   By fredinno, June 29, 2015
   • 17 replies
   • 3.1k views
   • 
   • Frybert
   • June 30, 2015

2. Doomsday Survival Science 1 2

   By Skyler4856, June 29, 2015
   • 29 replies
   • 4.7k views
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   • AngelLestat
   • June 30, 2015

3. SpaceX conspiracy 1 2

   By luizopiloto, June 29, 2015
   • 27 replies
   • 6.9k views
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   • Red Iron Crown
   • June 29, 2015

4. Quantum Mechanics: Einstein vs. Bell

   By arkie87, June 28, 2015
   • 7 replies
   • 2.1k views
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   • PB666
   • June 29, 2015

5. Launch abort at last moment?

   By Pawelk198604, June 28, 2015
   • 4 replies
   • 1.3k views
   • 
   • Cuky
   • June 29, 2015

6. How Long Would A Space Station Last?

   By OddFunction, June 18, 2015
   • 24 replies
   • 3.9k views
   • 
   • DerekL1963
   • June 29, 2015

7. List of Mathematical Equations 1 2

   By Chezburgar7300, February 8, 2015
   • 40 replies
   • 11.6k views
   • 
   • K^2
   • June 28, 2015

8. The James Corey books : Or do fusion torch-drives pass a pencil test?

   By SomeGuy12, June 25, 2015
   • 7 replies
   • 4.8k views
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   • Kibble
   • June 28, 2015

9. Calculating Launch Capacity to LEO of a rocket.

   By fredinno, June 27, 2015
   • 13 replies
   • 2.9k views
   • 
   • magnemoe
   • June 28, 2015

10. Energia-M: fresh photoset from Baikonur

    By 1greywind, June 26, 2015
    • 13 replies
    • 3.2k views
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    • DECQ
    • June 28, 2015

11. Mix two DNA strands in one cell, what happens? Random speculative idea...

    By heng, June 11, 2015
    • 12 replies
    • 2.8k views
    • 
    • KerikBalm
    • June 28, 2015

12. SLS launch sequence?

    By Pawelk198604, June 27, 2015
    • 9 replies
    • 1.7k views
    • 
    • SargeRho
    • June 28, 2015

13. Getting to space for only pennies! Low Budget Space Program 1 2 3

    By LowBudgetSpaceProgram, April 15, 2015
    • 70 replies
    • 13.6k views
    • 
    • ChrisSpace
    • June 28, 2015

14. Uranus Retrograde Rotation 1 2

    By Sigma88, April 7, 2015
    • 28 replies
    • 5.8k views
    • 
    • Superfluous J
    • June 28, 2015

15. Realistic SLS Launch Rate 1 2

    By fredinno, June 24, 2015
    • 33 replies
    • 4.2k views
    • 
    • fredinno
    • June 28, 2015

16. Boeing's Alcoholic Eighty-Eight

    By Kibble, June 25, 2015
    • 19 replies
    • 2.8k views
    • 
    • Capt. Hunt
    • June 28, 2015

17. Orbital Mechanic Question

    By Der Anfang, June 27, 2015
    • 6 replies
    • 957 views
    • 
    • Der Anfang
    • June 27, 2015

18. Space Shuttle Crew Operations Manual

    By Zargg, June 27, 2015
    • 1 reply
    • 1.3k views
    • 
    • benjee10
    • June 27, 2015

19. How does one actualy measure deltaV in non orbital or deep space flight? (In real life)

    By SignalCorps, June 22, 2015
    • 15 replies
    • 2.9k views
    • 
    • YNM
    • June 27, 2015

20. Do dark matter/energy really exist?

    By Rdivine, June 25, 2015
    • 21 replies
    • 3.4k views
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    • 78stonewobble
    • June 26, 2015

21. Should overheating cause increased specific impulse? Also supersonic vacuum

    By Mastikator, June 25, 2015
    • 16 replies
    • 2.5k views
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    • karolus10
    • June 26, 2015

22. Why throttle an ion engine by changing the level of electrical charge?

    By T.C., June 23, 2015
    • 14 replies
    • 2.2k views
    • 
    • Nuke
    • June 26, 2015

23. Should the USA go metric? 1 2 3 4 15

    By Robotengineer, June 9, 2015
    • 350 replies
    • 52.6k views
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    • ZetaX
    • June 26, 2015

24. What do you think about Metamizole or Pyralgine as we call it in Poland 1 2 3

    By Pawelk198604, June 24, 2015
    • 68 replies
    • 6.9k views
    • 
    • Jesrad
    • June 26, 2015

25. Velocity change over time calculation (Rockets) - Integration vs Momentum-approach

    By Tonnz, June 25, 2015
    • 3 replies
    • 1k views
    • 
    • Tonnz
    • June 25, 2015