検索
sidereal
01
恒星の
(of divisions of time) determined by daily motion of the stars
02
恒星の
relating to the stars or constellations, especially in terms of their positions relative to Earth
例
Sidereal astrology uses the positions of stars and constellations for horoscopic purposes.
Sidereal charts plot the positions of celestial objects against the background of distant stars.
Sidereal measurements and calculations are based on the fixed positions of stars and constellations in the night sky.
