If Earth were size of a school-room globe, you'd find Shuttle and Space Station orbiting 3/8th of an inch above its surface.
@neiltyson For 30 years, that has been the sum total of human space flight--3/8th of an inch.
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If Earth were size of a school-room globe, you'd find Shuttle and Space Station orbiting 3/8th of an inch above its surface.
@neiltyson For 30 years, that has been the sum total of human space flight--3/8th of an inch.