一、一天=29.5天月球上和地球上一样,都有白天和黑夜。太阳光照到月球的一面为白天,背离太阳的一面为月球的黑夜。有趣的是,月球上的一天和地球上29天半即29.5天一样长,这是为什么呢?原来,月亮绕地球转一周,则月亮自己也刚好转了一周,而月球绕地球转一周则需要29天半。由于月球自传周期 One, one day = 29.5 days On the moon, as on Earth, there is day and night. The side of the sun shining on the moon is during the day, and the side facing away from the sun is the night of the moon. Interestingly, the day on the moon is as long as 29 and 29 and 29.5 days on earth. Why is that? The Moon turned its own way around the earth, and the Moon itself just turned a week, and the Moon needs to turn around the Earth for a week. 29 days and a half. Due to the moon’s autobiographical cycle