The Night Sky Is Getting 9.6 Percent Brighter Every Year, and 51,351 Naked-Eye Observations Say So
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Summary
At 19,262 places around the world where people walked outside and counted stars, the satellite that maps Earth at night recorded the ground below getting slightly darker. Across North America, upward radiance measured at those exact sites by the VIIRS Day/Night Band fell 0.80 percent a year. Over those same locations, artificial sky brightness was rising 10.4 percent a year. [ Read More ]
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