Optical Phenomena

Haloes
sunhalo1.jpg (25917 bytes)
Mt. Wilson Observatroy. Copyright ©2000 S. Padilla
sunhalo2.jpg (11957 bytes)
Mt. Wilson Observatroy. Copyright ©2000 C. Gino

sunhalo3.jpg (17376 bytes)
VLA, Socorro, NM. Copyright ©2001 C. Gino
Refracted light passing through ice crystal in high, thin clouds create haloes. A halo can form around the sun, as in the images above...
...or around the moon (as in the image below).
moonhalo1.jpg (20805 bytes)
Mt. Wilson Observatory.  Copyright ©2000 C. Gino
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Last updated 01/20/01 Copyright © 2000 C. Gino.