Sunlight meets ice cristals...

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Uploaded by on Oct 20, 2009

When sunlight meets oriented plate crystals, the same crystals that form sundogs a circumzenithal arc is formed. The refraction of rays nearly parallel rays through faces inclined at 90° produces very pure and well separated prismatic colours. The colours of the circumzenithal arc are purer than those of the rainbow.

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Science & Technology

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  • marvelous thanks !!!

    you will love the obolix !!!

    look for it on youtube

  • The CZA and CHA are the prettiest halos, I think.

  • Great!

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