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.
- 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).
- 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.
- The emerging rays are parallel to their original direction and form a colourless image on the parhelic circle opposite the sun.Advertisement