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Astronauts in space don't burn up in the atmosphere because they are not IN the atmosphere. Spacecraft are above the atmosphere.

However, the most dangerous part of a space flight is getting THROUGH the atmosphere, on the way up or on the way down. The space shuttle Columbia was destroyed, killing seven astronauts, when the shuttle broke up during re-entry. The Soviet Union classifies spacecraft accidents, but we know of at least a couple when the cosmonauts did not survive the return trip.

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14y ago

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