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This depends on how fast you are going first of all, so if we just assume you are travelling in a space shuttle, that travels at 17,500 miles per hour (about mach 11-12) we take that and divide how many miles Earth's atmosphere is. Seeing as how Earth's atmosphere is only 300 miles thick, if we round to the nearest thousandth of a second it will take around 1.02 minutes to fully exit the atmosphere and reach outer space.

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15y ago

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