Atmospheric Phenomena

Rainbows and Other Colorful Phenomena

What is a bishop’s ring?

A bishop’s ring is a ring—usually with a reddish outer edge—that is seen around the Sun. It is probably due to dust particles in the air, since it is seen after all significant volcanic eruptions.

A halo, arc, and Sun dog were all photographed simultaneously at a NOAA Antarctic camp. (photo by Cindy McFee, NOAA Corps)

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