When the astronauts go into space with a space shuttle. They go at very high speeds and I was wondering if they blackout when entering or exiting the atmoshpere or even before that. And how many g's is it at top velocity.

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perfect is an opinion word-3dknight

it doesn't matter if I get 3 hours of sleep or 6, I still wake up just as tired!-Neverfly

These are the questions that boggle my mind-3dknight