Holiday lights from space: New NASA images

December 18, 2014 4:58 PM

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"The new analysis of holiday lights uses an advanced algorithm, developed at NASA's Goddard Space Flight Center in Greenbelt, Maryland, that filters out moonlight, clouds and airborne particles in order to isolate city lights on a daily basis. The data from this algorithm provide high-quality satellite information on light output across the globe, allowing scientists to track when - and how brightly - people illuminate the night.

"In the United States, the lights started getting brighter on "Black Friday," the day after Thanksgiving, and continued through New Year's Day, said Miguel Román, a research physical scientist at NASA Goddard and member of the Suomi NPP Land Discipline Team, who co-led this research.

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