沙罗周期 Saros (astronomy)
（重定向自Saros Cycle）
沙罗周期是18年11天又8小时（大约6585日）的食的周期，可以用来预测太阳和月球的食。经过一个沙罗周期，太阳、地球和月球回到相似的几何对应位置上，于是将发生几乎相同的食。
Saros Cycle
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英语百科
Saros (astronomy) 沙罗周期
（重定向自Saros Cycle）
The saros (/ˈsɛərɒs/) is a period of approximately 223 synodic months (approximately 6585.3211 days, or 18 years, 11 days, 8 hours), that can be used to predict eclipses of the Sun and Moon. One saros period after an eclipse, the Sun, Earth, and Moon return to approximately the same relative geometry, a near straight line, and a nearly identical eclipse will occur, in what is referred to as an eclipse cycle. A sar is one half of a saros.
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