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Fitxategi:Earth's City Lights by DMSP, 1994-1995 (large).jpg

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العربية: صُورة مُركَّبة لِلأرض ليلًا.
Français : Image composite de la Terre la nuit.
English: This image of Earth’s city lights was created with data from the Defense Meteorological Satellite Program (DMSP) Operational Linescan System (OLS). Originally designed to view clouds by moonlight, the OLS is also used to map the locations of permanent lights on the Earth’s surface.

The brightest areas of the Earth are the most urbanized, but not necessarily the most populated. (Compare western Europe with China and India.) Cities tend to grow along coastlines and transportation networks. Even without the underlying map, the outlines of many continents would still be visible. The United States interstate highway system appears as a lattice connecting the brighter dots of city centers. In Russia, the Trans-Siberian railroad is a thin line stretching from Moscow through the center of Asia to Vladivostok. The Nile River, from the Aswan Dam to the Mediterranean Sea, is another bright thread through an otherwise dark region.

Even more than 100 years after the invention of the electric light, some regions remain thinly populated and unlit. Antarctica is entirely dark. The interior jungles of Africa and South America are mostly dark, but lights are beginning to appear there. Deserts in Africa, Arabia, Australia, Mongolia, and the United States are poorly lit as well (except along the coast), along with the boreal forests of Canada and Russia, and the great mountains of the Himalaya.
Data 1994ko urriaren 1ea - 1995ko martxoaren 31
date QS:P,+1994-00-00T00:00:00Z/8,P1319,+1994-10-01T00:00:00Z/11,P1326,+1995-03-31T00:00:00Z/11
Jatorria https://visibleearth.nasa.gov/view.php?id=55167 (image link)
Egilea Data: Marc Imhoff/NASA GSFC, Christopher Elvidge/NOAA NGDC; Image: Craig Mayhew and Robert Simmon/NASA GSFC
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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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Fitxategiaren historia

Data/orduan klik egin fitxategiak orduan zuen itxura ikusteko.

Data/OrduaIruditxoaNeurriakErabiltzaileaIruzkina
oraingoa20:45, 2 apirila 201420:45, 2 apirila 2014 bertsioaren iruditxoa4.800 × 2.400 (4,03 MB)TholmeHigher quality version saved from original tif.
04:28, 12 urtarrila 201304:28, 12 urtarrila 2013 bertsioaren iruditxoa16.384 × 8.192 (8,11 MB)TwinsdayReverted to version as of 23:16, 24 October 2005, orginal contrast is more realistic
19:26, 23 abuztua 201219:26, 23 abuztua 2012 bertsioaren iruditxoa16.384 × 8.192 (13,5 MB)KintetsubuffaloReverted to version as of 21:22, 6 March 2012 explanation?
10:11, 23 abuztua 201210:11, 23 abuztua 2012 bertsioaren iruditxoa16.384 × 8.192 (8,11 MB)TwinsdayReverted to version as of 23:16, 24 October 2005
23:22, 6 martxoa 201223:22, 6 martxoa 2012 bertsioaren iruditxoa16.384 × 8.192 (13,5 MB)SoerfmBrightness
01:16, 25 urria 200501:16, 25 urria 2005 bertsioaren iruditxoa16.384 × 8.192 (8,11 MB)Bricktopfull res
13:38, 21 uztaila 200513:38, 21 uztaila 2005 bertsioaren iruditxoa2.400 × 1.200 (534 KB)Nk''Composite image of the Earth at night, created by NASA and NOAA.'' '''NASA Description''': This image of Earth’s city lights was created with data from the Defense Meteorological Satellite Program (DMSP) Operational Linescan System (OLS).

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