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Organic Marble's user avatar
Organic Marble's user avatar
Organic Marble
  • Member for 9 years, 6 months
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33 votes

How do astronauts keep their devices dry?

33 votes
Accepted

What is a "Major Component Failure" referred to in news reports about the unsuccessful Space Launch System core stage test firing?

33 votes

Why are there four RTGs in a row sitting in this room? What are they waiting for? Were they built together and stored for separate launches?

33 votes
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What did Charlie Duke mean by "down on the ground"?

33 votes

What is the orange material seen within the window frames of the Columbia Shuttle?

32 votes
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What kind of "safe" was carried on the Space Shuttles?

32 votes
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What is "anti-geysering" and why would you turn it off 70 seconds before launch?

32 votes
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Why was the Space Shuttle Orbiter's in-orbit time limited?

32 votes
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Why is unappetizing food brought along to space?

32 votes
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Why did China land a rover on the moon?

32 votes
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What was NASA's Tire Assault Vehicle?

32 votes

Were any toxic metals used in the International Space Station?

32 votes

Why aren't rockets built with truss structures inside their fuel & oxidizer tanks to increase structural strength?

32 votes
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Will some rockets really collapse under their own weight?

32 votes
Accepted

What (if anything) could have caused all three shuttle main engines to stop at the same time?

32 votes
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How were the Space Shuttle SRBs ignited? (with what?)

32 votes
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Was the third shuttle engine any different from the others?

32 votes

Could the Apollo lunar ascent stage have separated from the descent stage before touchdown in an emergency?

31 votes

Are there any plans for handling people floating away during an EVA?

31 votes

How do EVA suits manage water excretion?

31 votes
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Do liquid propellant rocket engines experience thrust oscillation?

31 votes

How fast is fuel escaping a rocket for it to reach the escape velocity 11 km/s?

31 votes

Why aren't the radiators on the ISS straight?

30 votes
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What did the Hubble fix look like?

30 votes
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What does "stirring tanks" mean?

30 votes
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Are fans ever used in un-crewed spacecraft?

30 votes

Have there been any rockets that run seven engines at the same time?

30 votes
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How dangerous are RCS thrusters?

30 votes
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Challenger disaster: how full was the external tank at the time of destruction?

30 votes

Why was this Saturn rocket elevated for launch?

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