sidereal day

美 [saɪˈdɪriəl deɪ]英 [saɪˈdɪəriəl deɪ]
  • 网络恒星日;周期;恒星自转周期;自转周期
sidereal daysidereal day

noun

1
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

数据来源:WordNet

  1. 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。

  2. A sidereal day is shorter than a mean solar day by 3 minutes and 56 seconds .

    恒星日比平均太阳日短三分五十六秒。