sidereal year

sidereal year

美 　英

• na.恒星年
• 网络回归年和恒星年

英汉解释

na.

1. 恒星年

英英解释

n.	1. the time it takes the Sun to make one revolution with reference to a given star, equal to 365 days, 6 hours, 9 minutes, 9.5 seconds

例句

So, the tropical year is a little bit shorter than the sidereal year.

因而回归年要比恒星年要短一些。