sidereal day

sidereal day

美 　英

• na.恒星日
• 网络恆星日；自转周期；一天

英汉解释

na.

1. 恒星日

英英解释

n.	1. the time it takes for Earth to make one complete revolution in relation to a specific star, equal to 23 hours, 56 minutes, 4.1 seconds

例句

You can see for the sidereal day, the Earth has gone through one complete rotation (with respect to the background stars).

你可以看到太阳日就是地球自转完整一圈的时间（参照某颗背景恒星）。

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。