The Moon has played a very important role in religion and mythology. The Christian festival of Easter gets decided based on a Full Moon in March or April.

Most Hindu and Muslim festivals are based on the Lunar calendar. For example, Deepavali or Diwali is celebrated on a New Moon Day. The Crescent of the Moon must be spotted to celebrate the Muslim festival of Ramadan or Ramzan.

But, what causes the Moon to have different phases? How do the phases occur so regularly? Let's find out in this module!