How Long Will the Sun Last?

Answer

Our Sun is about 4.57 billion years old. About half way through it's life. The Sun will slowly turn into a red giant in about 4.5 billion year and about two billion years later, it will shed it's outer layers and become a white dwarf.
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2 Additional Answers
Ask.com Answer for: how long will the sun last
According to astronomers our sun will start to 'go out' in 4 to 5 billion years.
When the sun dies, it will actually expand as it fuses the last of its core hydrogen, and the inner parts will cool down.
It is estimated that the Sun is 4.6 billion years old and will continue to burn for another 7 billion years. The heat from the Sun will last an estimated 1 trillion years.
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