"A new NASA satellite has recorded the first detailed images from space of a mysterious type of cloud called “night-shining” or “noctilucent."
The clouds are on the move, brightening and creeping out of polar regions, and researchers don't know why. "
http://www.livescience.com/environment/070628_night_clouds.html
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The clouds are on the move, brightening and creeping out of polar regions, and researchers don't know why. "
http://www.livescience.com/environment/070628_night_clouds.html
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