Alaska Sleep Education Center

Night Lights:The Light of the World

Posted by Jennifer Hines

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on Aug 31, 2018 12:10:00 PM



To get a clear view of how humans are changing the night sky, NASA has created composite satellite images of the entire Earth at night. Using a series of techniques referred to as “turning off the moon,” NASA scientists filter out all natural emitters and absorbers of light, such as fires, auroras, clouds, and snow and ice. The results, updated regularly, provide the best picture yet of the evolving pattern of human settlement—and of our relentless drive to light up the night.


Topics: sleep deprivation

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