Optical Phenomena


Coronas

suncoro1.jpg (24497 bytes)
Mt. Wilson Observatroy.  Copyright ©2000 C. Gino

suncoro2.jpg (10984 bytes)
Mt. Wilson Observatroy.  Copyright ©2000 C. Gino

The corona (colored circular light bands) that forms around the sun (or moon) when there are thin clouds present, is created by the diffraction of light by small water droplets of uniform size.

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Last updated 06/19/03 Copyright © 2000 C. Gino.