San Diego’s holiday lights seen from space
NASA has released a series of photographs that reveal that San Diego and many other cities shine more brightly this time of year due to holiday lights, a phenomenon captured with the Suomi NPP satellite.
"Dark green pixels are areas where lights are 50 percent brighter, or more, during December," NASA said in a statement posted online. "Because snow reflects so much light, the researchers could only analyze snow-free cities. They focused on the U.S. West Coast from San Francisco and Los Angeles, and cities south of a rough imaginary line from St. Louis to Washington, D.C."
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