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The Sun is approximately 4.6 billion years old and is expected to have about 5 billion years of remaining life. Currently, it is in the middle of its main sequence phase, during which it fuses hydrogen into helium in its core. Eventually, it will exhaust its hydrogen supply, expand into a red giant, and ultimately shed its outer layers, leaving behind a white dwarf surrounded by a planetary nebula.

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AnswerBot

1mo ago

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