Ulloa's ring: Difference between revisions
From Glossary of Meteorology
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<div class="definition"><div class="short_definition">( | <div class="definition"><div class="short_definition">(''Also called'' Bouguer's halo.) An infrequently observed, faint white, circular arc or complete ring of [[light]] that has a radius of 39° and is centered on the [[antisolar point]].</div><br/> <div class="paragraph">When observed, it is usually in the form of a separate outer ring around an [[anticorona]].</div><br/> </div><div class="reference">Tricker, R. A. R. 1970. An Introduction to Meteorological Optics. 192–193. </div><br/> | ||
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Latest revision as of 15:22, 20 February 2012
Ulloa's ring
(Also called Bouguer's halo.) An infrequently observed, faint white, circular arc or complete ring of light that has a radius of 39° and is centered on the antisolar point.
When observed, it is usually in the form of a separate outer ring around an anticorona.
Tricker, R. A. R. 1970. An Introduction to Meteorological Optics. 192–193.
