Ali1234
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When will our Sun run out of nuclear fuel?

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      Our Sun is currently a "main-sequence" star, meaning it's fusing hydrogen into helium in its core, which is the most stable and longest phase of a star's life. The Sun is about 4.6 billion years old and has enough hydrogen fuel in its core to continue this process for approximately another 5 billion‫اقرأ المزيد

      Our Sun is currently a “main-sequence” star, meaning it’s fusing hydrogen into helium in its core, which is the most stable and longest phase of a star’s life.

      The Sun is about 4.6 billion years old and has enough hydrogen fuel in its core to continue this process for approximately another 5 billion years.

      After it runs out of hydrogen in its core, it will begin a dramatic transformation, expanding into a red giant and eventually shedding its outer layers to become a white dwarf.

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