- anthelic arc
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/ant hee"lik, an thee"-/a rare halo occurring at the sun's elevation but in the opposite part of the sky.[ANTHEL(ION) + -IC]
* * *
Universalium. 2010.
anthelic arc
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anthelic arc — The term anthelic arc is indebted to the Greek words anti (against, opposite to) and helios (Sun). It translates loosely as arc located opposite to the Sun . The term is used in meteorology and physics to denote a collection of rare physical… … Dictionary of Hallucinations
anthelic arc — /ant hee lik, an thee / a rare halo occurring at the sun s elevation but in the opposite part of the sky. [ANTHEL(ION) + IC] … Useful english dictionary
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Subhelic arc — A subhelic arc is a rare halo, formed by internal reflection through ice crystals, that curves upwards from the horizon and touches the tricker arc above the anthelic point. Subhelic arcs are a result of ray entrance and exit through prism end… … Wikipedia
subhelic arc — noun A rare halo, formed by internal reflection through ice crystals, that curves upwards from the horizon and touches the tricker arc above the anthelic point … Wiktionary
physical illusion — Also known as stimulus distortion illusion. Both terms refer to an * illusion attributable to physical rather than neurophysiological or cognitive mechanisms. Some examples of physical illusions are the * mirage, the * rainbow, the * anthelic… … Dictionary of Hallucinations
Anthelion — An anthelion (plural anthelia, from late Greek ανθηλιος, opposite the sun ) is a rare optical phenomenon appearing on the parhelic circle opposite to the sun as a faint white halo, not unlike a sundog.How anthelions are formed is disputed. Walter … Wikipedia
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Subparhelic circle — The subparhelic circle is a rare halo, an optical phenomenon located below the horizon. It passes through both the subsun, below the sun, and the antisolar point, opposite to the sun. The subparhelic circle is the subhorizon counterpart to the… … Wikipedia
