Hey Ray! What Causes The Different Phases Of The Moon

PITTSBURGH (KDKA) — The Moon is neat to watch because it has several different looks during its 27 day cycle. It sometimes looks like a fingernail. Other times it looks like half of a pie, and other times it is a bright, shiny disk in the sky.
(Photo Credit: KDKA Weather Center)
So, how does this one moon have so many different “looks”?
First things first, the Moon does not produce its own light. Actually, there is only one source of light in the solar system, and that is the S