The nighttime view was made possible by the new satellite's day-night band of the Visible Infrared Imaging Radiometer Suite. Nighttime light is the most interesting data that I've had a chance to work with, says Chris Elvidge, who leads the Earth Observation Group at NOAA's National Geophysical Data Center. I'm always amazed at what city light images show us about human activity. Photo credit: NASA Observatory
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Black Marble - Americas NASA image acquired April 18 - October 23, 2012 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.