US Flags on the Moon Have All Faded to White

One of the qualities of ultra-violet light is that it causes colors to fade. The UV-rays are especially harsh on the moon, which lacks the atmospheric protection that the earth has.
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US Flags on the Moon Have All Faded to White
Edwin E. "Buzz" Aldrin, Jr. saluting the US flag on the surface of the Moon during the Apollo 11 lunar mission. (NASA/AFP/Getty Images)
Jonathan Zhou
5/23/2016
Updated:
5/23/2016