Saturday, December 29, 2012

 

Gene Hart's Photos

Published at Space Weather, this great photo taken by Mr. Hart up in Maine shows a rare cloud formation. These clouds, sometimes called "billow clouds," are produced by the Kelvin-Helmholtz instability when horizontal layers of air brush by one another at different velocities. Below is a magnificent close up.


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# posted by Roger Fraley @ 5:23 AM
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