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The Sun is currently on the main sequence, and will stay on it for about another 4.5 billion years.

Our sun is currently 4.5 billion years old, which is considered middle age for a star/the sun. The sun has used up half of the available hydrogen, which leaves our sun with about 5 billion years left, before the sun's hydrogen is burnt out, and the sun is no longer our primary source of energy for the earth or any other planet that has life on it.

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14y ago

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