Source - Space Weather News for Feb 13th, 2017: http://spaceweather.com
AMAZING POLAR STRATOSPHERIC CLOUDS: Around the Arctic Circle, veteran sky watchers are reporting a remarkable outbreak of polar stratospheric clouds (PSCs). Floating high above Earth's surface in the normally transparent stratosphere, PSCs have filled the sky with brilliant colors that rival the aurora borealis. Some longtime residents of northern Sweden say it's the best display they've ever seen, continuing a trend in recent years of intensifying PSC activity.
Visit today's edition of Spaceweather.com to view photos of the outbreak and to learn more about these must-see wonders of the Arctic.
Above: Polar stratospheric clouds over Kiruna, Sweden, photographed by Mia Stålnacke on Feb. 13, 2017. Browse the photo gallery for more sightings
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