Fantastically Colorful Clouds Spotted in Arctic Stratosphere

Source - Space Weather News for Dec. 22, 2014: http://spaceweather.com

STRATOSPHERIC CLOUDS: Around the Arctic Circle, sky watchers are seeing fantastic colors--but it's not the aurora borealis. A rare outbreak of polar stratospheric clouds is underway over our planet's north polar region.  These clouds, which are associated with the formation of ozone holes, float much higher than ordinary clouds and produce unforgettable colors during the hours around sunset.

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