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8 July 2007

On July 8, 2007 the cameras on the AIM satellite took this exciting picture of noctilucent clouds over the North Polar region. These data (see scale: red being bright) reveal for the first time very bright but spatially small (~20 to 30 km in diameter) polar mesospheric clouds that rise in brightness significantly above the background cloud deck (green and blue). These small, bright clouds have never been observed before and are the result of complicated dynamics in the 80 km region of the atmosphere.

Credit: Cloud Imaging and Particle Size Experiment data processing team at the University of Colorado’s Laboratory for Atmospheric and Space Physics.


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