In the 1970’s the sun heated the earth’s atmosphere so unexpectedly it brought down Skylab. The heating of the atmosphere by the sun caused it to expand thus creating more friction on Skylab, thus slowing it, thus causing it to crash to the earth.
40 Years Ago: Skylab Reenters Earth’s Atmosphere - NASA
Skylab was America’s first space station and first crewed research laboratory in space. The complex consisted of four major components: the Orbital Workshop
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