Earth At Night
Saturday, September 22, 2007 at 2:43PM
Randy in Jonathan Harris, earth, history, map, photo, planets, population, space, world

This satellite photo from NASA spans a 24-hour period showing the entire surface of the Earth in darkness. The lights obviously show the highest areas of concentration of civilization.

Note the Nile River delta, the Siberian Express railway route, the Australian coastal cities, and Africa, literally "the dark continent".
From Princeton's International Networks Archive, the old project of Jonathan Harris.

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