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单词 anomalistic month
释义

anomalistic month

noun Astronomy
A month measured between successive perigees of the moon (approximately 27 1/2 days).The anomalistic month is the average interval between successive passages of the moon through its perigee....
  • The time between consecutive perigees or apogees, the anomalistic month, is 27.56 days.
  • This relation between synodic months and anomalistic months of the Moon was known to Babylonian astronomers, who used it to predict the return of lunar and solar eclipses.
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更新时间:2025/2/23 7:04:17