Optical Phenomena
Coronas |
![]() Mt. Wilson Observatroy. Copyright ©2000 C. Gino |
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| 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. |