When this happens, the umbra cannot reach Earth and an antumbra shadow is created over the planet's surface.
当这种情况发生的时候，本影无法到达地球，非本影阴影就会出现在地球表面。
2
It will end at 21:02 UT (10:02 p.m. GMT) when the shadow will once again be seen to slip slowly across the surface of the moon.
它会在21：02分(世界时上午10：02分)结束。这时我们能看到影子又会缓慢的从月球表面移开。
3
The qualities of a shadow depend on the light direction and intensity, as well as the distance between the object and the surface where the shadow is cast.