Annual equation

dcterms modified equal to or less than 2020-11-04T22:23:35.302Zequal to or more than 2020-11-04T22:23:35.302Z
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definition An irregularity in the Moon's orbit, which can amount to 11 degrees in a period of one year. It results from the Sun's disturbing effect on the motion of the Moon due to varying distance between them.
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contributor AAS_Frey.Katie_Admin original