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parallactic angle(pa-ră-lak -tik) See astronomical triangle.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
in astronomy, the angle at the celestial body in the parallactic triangle. For an observer within the sphere it is measured counterclockwise from the side connecting the body with the celestial pole.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
parallactic angle[¦par·ə¦lak·tik ′aŋ·gəl]
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.