Question

when the moon in the dark Shadow of the earth it is total_eclipes
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Answer 1

Another way to say it is that a total eclipse of the Sun occurs at those times when the umbra of the Moon's shadow reaches the surface of Earth. The geometry of a total solar eclipse is illustrated .

its the answer...

Answer 2

Answer and Explanation:

Sometimes, as the Earth orbits the Sun, it comes between the Sun and the Moon. When this happens, the Earth throws a dark shadow across the Moon. This is known as a lunar eclipse.  A total lunar eclipse takes place when the Earth comes between the Sun and the Moon and covers the Moon completely with its shadow. When this happens, the Moon can turn red, earning it the nickname of Blood Moon.