Last Updated
：2025/11/21
sidereal time
Noun
uncountable
Japanese Meaning
恒星時 - 春分点の見かけ上の1日の動きに基づいて計測される時間。地球の自転により、見かけ上固定された星に対する位置変化を基に近似される。
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(astronomy) Time measured by the apparent diurnal motion of the vernal equinox; approximated by that based on the rotation of planet Earth relative to the seemingly fixed stars.
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sidereal time
The astronomer adjusted the telescope using sidereal time to track the distant quasar.
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The astronomer adjusted the telescope using sidereal time to track the distant quasar.
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