Parhelic-circle sentence example

parhelic-circle
  • Passing through the luminary and parallel to the horizon, there is a white luminous circle, the parhelic circle (P), on which a number of images of the luminary appear.
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  • The other images on the parhelic circle are the paranthelia (q) and the anthelion (a) (from the Greek av-ri, opposite, and iXcos, the sun).
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  • Thomas Young explained the parhelic circle (P) as due to reflection from the vertical faces of the long prisms and the bases of the short ones.
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  • The emerging rays are parallel to their original direction and form a colourless image on the parhelic circle opposite the sun.
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