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

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This file was the picture of the day on March 11, 2006.
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Description
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.
Date अक्टोबर १, ई सं १९९४ - मार्च ३१, ई सं १९९५
date QS:P,+1994-00-00T00:00:00Z/8,P1319,+1994-10-01T00:00:00Z/11,P1326,+1995-03-31T00:00:00Z/11
Source https://visibleearth.nasa.gov/view.php?id=55167 (image link)
Author 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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Date/TimeThumbnailDimensionsछ्य्‌लामिComment
current१८:४५, २ अप्रिल २०१४Thumbnail for version as of १८:४५, २ अप्रिल २०१४४,८०० × २,४०० (४.०३ MB)TholmeHigher quality version saved from original tif.
०२:२८, १२ ज्यानुवरी २०१३Thumbnail for version as of ०२:२८, १२ ज्यानुवरी २०१३१६,३८४ × ८,१९२ (८.११ MB)TwinsdayReverted to version as of 23:16, 24 October 2005, orginal contrast is more realistic
१७:२६, २३ अगस्ट २०१२Thumbnail for version as of १७:२६, २३ अगस्ट २०१२१६,३८४ × ८,१९२ (१३.५ MB)KintetsubuffaloReverted to version as of 21:22, 6 March 2012 explanation?
०८:११, २३ अगस्ट २०१२Thumbnail for version as of ०८:११, २३ अगस्ट २०१२१६,३८४ × ८,१९२ (८.११ MB)TwinsdayReverted to version as of 23:16, 24 October 2005
२१:२२, ६ मार्च २०१२Thumbnail for version as of २१:२२, ६ मार्च २०१२१६,३८४ × ८,१९२ (१३.५ MB)SoerfmBrightness
२३:१६, २४ अक्टोबर २००५Thumbnail for version as of २३:१६, २४ अक्टोबर २००५१६,३८४ × ८,१९२ (८.११ MB)Bricktopfull res
११:३८, २१ जुलाई २००५Thumbnail for version as of ११:३८, २१ जुलाई २००५२,४०० × १,२०० (५३४ 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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