sidereal day
英 [saɪˈdɪəriəl deɪ]
美 [saɪˈdɪriəl deɪ]
网络 恆星日; 恒星日; 恒星自转周期; 周期; 自转周期
双语例句
- A sidereal day is about 4 minutes shorter than a solar day.
一个恒星日比一个太阳日大约短4分钟。
英英释义
noun
- the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day
Synonym: day