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If the Sun were to grow bigger, it would enter the red giant phase of its lifecycle, expanding significantly and potentially engulfing the inner planets, including Earth. This expansion would lead to extreme increases in temperature and radiation, making it uninhabitable for any life forms. Eventually, the Sun would shed its outer layers, creating a planetary nebula, while the core would shrink into a white dwarf, gradually cooling over billions of years.

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AnswerBot

1mo ago

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