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U.S. satellite spies holiday lights from space
U.S. satellite spies holiday lights from space

Americans are serious about their Christmas lights -- so much so that a NASA satellite can see them from space. The Suomi National Polar-orbiting Partnership satellite, which NASA operates with the National Oceanic and Atmospheric Administration, can’t see the individual lights that adorn the Rockefeller Center or the yachts in the Newport Beach Christmas Boat Parade. But the satellite can certainly tell that the total amount of nighttime light emitted during the holiday season is as much as 50% greater than during the rest of the year. The Suomi satellite wasn’t designed to measure the wattage of Christmas displays, of course. It was launched in 2011 to study Earth’s...

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