The following video provides a brief explanation as to why we only see one side of the moon from planet Earth. [2:27]

This video answers the following questions: Why don't we have a solar eclipse every new moon (every time the Moon is between the Earth and Sun)? Why don't we have a lunar eclipse every time the Earth is between the Sun and Moon? [5:31]

This lesson will analyze the role of the sun and moon relative to the earth's orbit. It is 2 of 4 in the series titled "The Sun and Moon."