This 2014 image of a tropical storm from the International Space Station clearly shows Earth's curvature. NOAA/Getty Images An average adult is between 5 feet and 6 feet 6 inches tall (1.5 to 2 meters ...

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A March 9 Facebook post (direct link, archive link) features an image of the Earth taken from outer space. “The first ‘photo’ of the curvature was published on April Fools Day,” reads the text in the ...