cheonmunryeok
ephemeris
éphéméride
천문력은 별의 위치를 계산하는 데 사용됩니다.
cheonmunnyeogeun byeol-ui wichi-reul gyohwanhaneun de sayongdoemnida.
The ephemeris is used to calculate the position of stars.
More words starting with 천
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