Composite map of the world
by Georgia Clare
Title
Composite map of the world
Artist
Georgia Clare
Medium
Digital Art - Digital Art
Description
This image of the Earth at night is a composite assembled from data acquired by the Suomi National Polar-orbiting Partnership (Suomi NPP) satellite over nine days in April 2012 and thirteen days in October 2012. It took 312 orbits and 2.5 terabytes of data to get a clear shot of every parcel of Earth�s land surface and islands. The nighttime view of Earth was made possible by the �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 gas flares, auroras, wildfires, city lights, and reflected moonlight. In this case, auroras, fires, and other stray light have been removed to emphasize the city lights. - NASA
Uploaded
August 2nd, 2013
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