Iridescent Cirrus Clouds
by George Post/science Photo Library
Title
Iridescent Cirrus Clouds
Artist
George Post/science Photo Library
Medium
Photograph - Photograph
Description
Iridescent cirrus clouds. This phenomenon, known as irisation, may be seen in the sky in association with thin layers of clouds, typically cirrus or altocumulus. The colours are due to the diffraction of sunlight passing through the water droplets in the clouds. The irisation often follows the shape of the cloud and may be observed only close to the Sun, which lies here at top centre just out of the frame.
Uploaded
February 23rd, 2021
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