PARHELICCIRCLE

Parhelic circle

A parhelic circle is a halo, an optical phenomenon appearing as a horizontal white line on the same altitude as the sun, or occasionally the Moon. If complete, it stretches all around the sky, but more commonly it only appears in sections.

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parhelic circle

Noun

  1. A luminous halo, each side of the sun parallel to the horizon, caused by refraction of sunlight through ice crystals.


The above text is a snippet from Wiktionary: parhelic circle
and as such is available under the Creative Commons Attribution/Share-Alike License.

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