Jisho

×
しゅうき サロス周期
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Noun
1. saros period (approx. 18 years and 11 days between repetition of eclipses); saros cycle​Astronomy
Wikipedia definition
2. Saros (astronomy)​The saros Listen/ˈsɛərɒs/ is a period of 223 synodic months (approximately 6585.3213 days, or nearly 18 years 11 days), that can be used to predict eclipses of the Sun and Moon. One saros after an eclipse, the Sun, Earth, and Moon return to approximately the same relative geometry, and a nearly identical eclipse will occur, in what is referred to as an eclipse cycle. A sar is one half of a saros. A series of eclipses that are separated by one saros is called a saros series.
Read “Saros (astronomy)” on English Wikipedia
Read “サロス周期” on Japanese Wikipedia
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