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Climate, Earth, Environment, NASA, Videos

An Early Start for Noctilucent Clouds

10 Jun , 2013 by Jason Major

The season for noctilucent “night-shining” clouds is arriving in the northern hemisphere, when wispy, glowing tendrils of high-altitude ice crystals may be seen around the upper latitudes, shining long after the Sun has set. Found about 83 km (51 miles) up, noctilucent clouds (also called polar mesospheric clouds) are the highest cloud formations in the […]

AIM, atmosphere, clouds, meteors, NASA, NLC, noctilucent, polar mesospheric, Science, solar max

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