jeokgyeong
right ascension
ascension droite (sino-coréen)
별의 적경을 측정하는 것은 천문학에서 중요하다.
byeol-ui jeokgyeong-eul cheugjeonghaneun geos-eun cheonmunhak-eseo jungyohada.
Measuring the right ascension of a star is important in astronomy.
More words starting with 적
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