Check out these before and after shots of the eastern seaboard before and after Hurricane Sandy. What these maps show are the lights of cities and it's just so shocking to see how many places are without electricity. 

These photos were Tweeted by NASA today and taken in cooperation with NOAA. The top photo is from before Hurricane Sandy and the bottom is after.

NYC + East coast from space before Sandy
NASA/NOAA
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AFTER:

NYC + East Coast at night from space after Sandy
NASA/NOAA
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