Why does the Sun Keep Shining?

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The Sun is a huge glowing ball of gases. It is made up of 90 per cent hydrogen atoms, about nine per cent helium atoms and one per cent other elements, such as oxygen and nitrogen.

In the centre of the Sun, the process of nuclear fusion goes on, through which hydrogen atoms get converted into helium atoms resulting in the release of vast amount of nuclear energy. This energy keeps the Sun shining.

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