equation of the center


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equation of the center

[i′kwā·zhən əvthə ′sen·tər]
(astronomy)
The angle between the actual longitude of the moon and the longitude of an imaginary body that moves with constant angular velocity with the same period as the moon.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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