parhelion(redirected from parheliacal)
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in meteorology, short-lived circles or arcs, and less commonly spikes and crosses, of colored or whitish light surrounding the moon or sun or in clouds as seen from above.
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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
(also mock sun, sun dog), a bright circular spot seen in the sky either on one side or on both sides of the solar disk; it is a type of halo. Similar spots formed by lunar light are called paraselenae.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
Either of two colored luminous spots that appear at points 22° (or somewhat more) on both sides of the sun and at the same elevation as the sun; the solar counterpart of the lunar paraselene. Also known as mock sun; sun dog.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.