The Moon does not make its own . We can see the Moon because it light from the . We cannot always see all of the lit part of the Moon, so its seems to change as it orbits the Earth. These are called the of the Moon. Sometimes the Moon goes between the Sun and the . When this happens the Sun can be completely blocked out by the , and we get a . Sometimes the Moon goes into the of the Earth. This is a , and the Moon looks very dark.