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Residents of Moscow this morning watched the rare phenomenon "Halo".

  • Uploaded by Velesmyst on Jan 20, 2014
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Residents of Moscow this morning watched the rare phenomenon "Halo".
A halo (from Greek ἅλως; also known as a nimbus, icebow or gloriole) is an optical phenomenon produced by ice crystals creating colored or white arcs and spots in the sky. Many are near the sun or moon but others are elsewhere and even in the opposite part of the sky. They can also form around artificial lights in very cold weather when ice crystals called diamond dust are floating in the nearby air.
Author: melkiy582



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