Posts Tagged prism

Our Strange Sky: The Pileus Iridescent Cloud of Ethiopia

Posted by mistergroonk in Science, World on September 5, 2011

Pictured, behind this darker cloud, is a pileus iridescent cloud, a group of water droplets that have a uniformly similar size and so together diffract different colors of sunlight by different amounts. The above image was taken just after the picturesque sight was noticed by chance by a photographer in Ethiopia.

via APOD

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