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Night Lights: The Black Marble (NASA, 2012)

Still from NASA's Black Marble animation.

Still from NASA’s Black Marble animation.

From the NASA Earth Observatory comes this animation of city lights at night, composited from 2.5 terrabytes of images taken by the Suomi National Polar-orbiting Partnership satellite during 312 orbits of the Earth during April and October of 2012.  “Nothing tells us more about the spread of humans across the Earth than city lights,” says NOAA scientist Chris Elvidge.

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