File:Black Marble Americas.jpg
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DescriptionBlack Marble Americas.jpg |
English: This image of North and South America at night is a composite assembled from data acquired by the Suomi NPP satellite in April and October 2012. The new data was mapped over existing Blue Marble imagery of Earth to provide a realistic view of the planet.
The nighttime view was made possible by the new satellite’s “day-night band” of the Visible Infrared Imaging Radiometer Suite. VIIRS detects light in a range of wavelengths from green to near-infrared and uses filtering techniques to observe dim signals such as city lights, gas flares, auroras, wildfires, and reflected moonlight. In this case, auroras, fires, and other stray light have been removed to emphasize the city lights. |
Date |
between 18 April 2012 and 23 October 2012 date QS:P,+2012-00-00T00:00:00Z/9,P1319,+2012-04-18T00:00:00Z/11,P1326,+2012-10-23T00:00:00Z/11 |
Source | https://flic.kr/p/dyKuX4 |
Author | NASA Earth Observatory |
Licensing edit
Public domainPublic domainfalsefalse |
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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This image was originally posted to Flickr by NASA Goddard Photo and Video at https://flickr.com/photos/24662369@N07/8246896289. It was reviewed on 2017-08-03 20:39:33 by FlickreviewR, who found it to be licensed under the terms of the cc-by-2.0, which is compatible with the Commons. It is, however, not the same license as given above, and it is unknown whether that license ever was valid. |
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current | 16:54, 5 August 2014 | 8,192 × 8,192 (1.47 MB) | Numéro 1963 (talk | contribs) | User created page with UploadWizard |
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- File:Black Marble - Americas (8246896289).jpg (file redirect)
- File:Earth at night NASA.jpg (file redirect)
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