Last Updated
：2025/11/28
stellar day
Noun
Japanese Meaning
恒星日（こうせいじつ）：地球が自転軸を中心に正確に360度回転するのに要する時間。約23時間56分4秒で、星に対する相対的な自転周期を示す。
（ plural ）
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(astronomy) The rotational period of Earth; the time in which Earth rotates exactly 360 degrees around its axis, measured relative to the stars (about 23 hours, 56 minutes, 4 seconds).
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stellar day
Astronomers note that a stellar day on Earth lasts about 23 hours and 56 minutes, slightly shorter than a solar day.
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Astronomers note that a stellar day on Earth lasts about 23 hours and 56 minutes, slightly shorter than a solar day.
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