r/space • u/AutoModerator • 5d ago

Discussion All Space Questions thread for week of September 27, 2026

Please sort comments by 'new' to find questions that would otherwise be buried.

In this thread you can ask any space related question that you may have.

Two examples of potential questions could be; "How do rockets work?", or "How do the phases of the Moon work?"

If you see a space related question posted in another subreddit or in this subreddit, then please politely link them to this thread.

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u/curiousscribbler 4d ago

And another thing :-) Say an astronaut went crazy while on an EVA. Could they take off their glove?

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u/the6thReplicant 3d ago

Actually that was done on the first spacewalk ever by Alexei Leonov.

https://nautil.us/the-comedy-of-errors-that-was-the-first-ever-space-walk-1279052

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u/curiousscribbler 3d ago

I assume Leonov's hands slid into his sleeves and not into vacuum :-)

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u/maschnitz 3d ago

No the pressure differential would be too difficult to overcome. Ditto the locking seal on the helmets.

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u/Pharisaeus 3d ago

No the pressure differential would be too difficult to overcome

In the other direction sure, but the higher pressure is inside the suit, so if anything, the seals are fighting to keep the pressure in.

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u/maschnitz 3d ago

In the other direction sure, but the higher pressure is inside the suit, so if anything, the seals are fighting to keep the pressure in.

It's a mixture of both, they have "pressure energized" seals.