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

صفحے کے مندرجات دوسری زبانوں میں قابل قبول نہیں ہیں۔
آزاد دائرۃ المعارف، ویکیپیڈیا سے

اصل فائل ‏(4,800 × 2,400 پکسل، فائل کا حجم: 4.03 MB، MIME قسم: image/jpeg)

یہ فائل ویکی ذخائر کی ہے اور دیگر منصوبوں کے زیر استعمال ہوسکتی ہے۔ فائل کے صفحہ تعارف پر موجود تعارف ذیل میں موجود ہے۔

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This file was the picture of the day on March 11, 2006.
This is a featured picture on Wikimedia Commons (Featured pictures) and is considered one of the finest images. See its nomination here.
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خلاصہ

تفصیل
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.
تاریخ بین 1 اکتوبر 1994 و 31 مارچ 1995
date QS:P,+1994-00-00T00:00:00Z/8,P1319,+1994-10-01T00:00:00Z/11,P1326,+1995-03-31T00:00:00Z/11
ماخذ https://visibleearth.nasa.gov/view.php?id=55167 (image link)
مصنف Data: Marc Imhoff/NASA GSFC, Christopher Elvidge/NOAA NGDC; Image: Craig Mayhew and Robert Simmon/NASA GSFC
دوسرے نسخے
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اجازہ کاری

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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media type انگریزی

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فائل کا تاریخچہ

کسی خاص وقت یا تاریخ میں یہ فائل کیسی نظر آتی تھی، اسے دیکھنے کے لیے اس وقت/تاریخ پر کلک کریں۔

تاریخ/وقتتھمب نیلابعادصارفتبصرہ
رائج الوقت18:45، 2 اپریل 2014ءمورخہ 18:45، 2 اپریل 2014ء کا تھمب نیل4,800 × 2,400 (4.03 MB)TholmeHigher quality version saved from original tif.
02:28، 12 جنوری 2013ءمورخہ 02:28، 12 جنوری 2013ء کا تھمب نیل16,384 × 8,192 (8.11 MB)TwinsdayReverted to version as of 23:16, 24 October 2005, orginal contrast is more realistic
17:26، 23 اگست 2012ءمورخہ 17:26، 23 اگست 2012ء کا تھمب نیل16,384 × 8,192 (13.5 MB)KintetsubuffaloReverted to version as of 21:22, 6 March 2012 explanation?
08:11، 23 اگست 2012ءمورخہ 08:11، 23 اگست 2012ء کا تھمب نیل16,384 × 8,192 (8.11 MB)TwinsdayReverted to version as of 23:16, 24 October 2005
21:22، 6 مارچ 2012ءمورخہ 21:22، 6 مارچ 2012ء کا تھمب نیل16,384 × 8,192 (13.5 MB)SoerfmBrightness
23:16، 24 اکتوبر 2005ءمورخہ 23:16، 24 اکتوبر 2005ء کا تھمب نیل16,384 × 8,192 (8.11 MB)Bricktopfull res
11:38، 21 جولائی 2005ءمورخہ 11:38، 21 جولائی 2005ء کا تھمب نیل2,400 × 1,200 (534 کلوبائٹ)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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