The Moon is a large ball of rock that doesn't change shape-it just looks as though it does,The shape we see in the sky today depends on how much of the Moon's face is lit up.Sometimes we observe a thin crescent, and at other times we see half or three quarters of the Moon, and then a fully lit face—Full Moon.

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How the Moon was Formed

Most astronomers think that the Moon was formed out of Earth about 4.5 billion years ago.It is known as the giantimpact theory.

• 01:
  A Mars-sized asteroid collides into Earth at a speed of 20 km per sec (12 miles per sec).

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• 02:
  Smashed asteroid pieces and material gouged out of Earth's rocky mantle form a ring around Earth.

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• 03:
  Over several million years, the pieces of orbiting material bump into each other and join together.

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• 04:
  They form one large body-the Moon.About a quarter the size of Earth, it slowly moves out to its present orbit.

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Lunar cycle

the view we have of the moon changes according to the relative positions of the sun,earth and moon.a complete cycle of shapes,known as phase,takes 29.5
days.

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I don't believe it!!!

In 1835, six articles in the New York Sun newspaper described bat-winged human-like creatures seen on the Moon through a telescope. Amazingly, the stories were believed for several weeks