Earths Star

The Sun

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The Sun is Earth's huge star in the sky. It provides Earth with enough heat for us to survive and it is partly accountable for our seasons.

Layers of The Sun

Photosphere

The photosphere is the visible surface of the Sun. Since the Sun is a gas, not a solid, it is not a solid surface but it is very thick.

Chromosphere

The chromosphere is usually not visible due to the brightness of the photoshphere. It is the second layer of the Sun.

Corona

The corona is aurora of plasma that surrounds the Suns layers. It extends millions of kilometers into space. It is most easily seen during a solar eclipse.