The rest of the phases are familiar to all of us as the moon cycles through them month after month 在一般情况下,月亮不是从地球本影的上方通过,就是在下方离去,很少穿过或部分通过地球本影,因此,一般情况下就不会发生月食。
2.
Its brightness varies for different total eclipses depending on the geometry of the moon s path through the umbra and also on the earth s atmospheric conditions 视乎月球经过本影的路径及当时地球的大气情况,光度在不同的月全食会有所不同。
3.
Its brightness varies for different total eclipses depending on the geometry of the moon s path through the umbra and also on the earth s atmospheric conditions 视乎月球经过本影的路径及当时地球的大气情况,光度在不同的月全食会有所不同。