north & south korea at night
Par Nicolas, mardi 3 janvier 2006 à 11:26 :: General :: #249 :: rss
north & south korea at night
Originally uploaded by lynetter. Allez lire le commentaire de lynetter sur flickr, ça vaut le détour, je trouve...
[..."The above nighttime satellite photo of North and South Korea (center), China (left) and Japan (right) shows numerous city lights that typically give some indication of population density. It was taken in October of 2000 from a Defense Meteorological Satellite Program (DMSP) satellite at an altitude of approximately 450 miles (720 km). Of all the weather satellites in orbit, only the DMSP satellites have the needed sensitivity to capture nighttime images in visible light...]
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