Parhelic circle: Difference between revisions
From Glossary of Meteorology
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<div class="definition"><div class="short_definition">A [[halo]] in the form of a faint, white, horizontal arc at the [[elevation]] of the sun.</div><br/> <div class="paragraph">Small segments are more frequently seen than the complete circle. When caused by the moon, it is called the [[paraselenic circle]]. The parhelic circle is explained by [[reflection]] by the vertical faces of oriented [[ice crystals]], such as the sides of large hexagonal plates, which also produce [[parhelia]] and [[paranthelia]].</div><br/> </div> | <div class="definition"><div class="short_definition">A [[halo]] in the form of a faint, white, horizontal arc at the [[elevation]] of the sun.</div><br/> <div class="paragraph">Small segments are more frequently seen than the complete circle. When caused by the moon, it is called the [[paraselenic circle]]. The parhelic circle is explained by [[reflection]] by the vertical faces of oriented [[ice crystals]], such as the sides of large hexagonal plates, which also produce [[parhelion|parhelia]] and [[paranthelion|paranthelia]].</div><br/> </div> | ||
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Latest revision as of 16:34, 25 April 2012
parhelic circle
Small segments are more frequently seen than the complete circle. When caused by the moon, it is called the paraselenic circle. The parhelic circle is explained by reflection by the vertical faces of oriented ice crystals, such as the sides of large hexagonal plates, which also produce parhelia and paranthelia.
