What will happen at the end of the sun's life?

Answer 1

When the sun runs out of hydrogen to fuse, it will start fusing helium into heavier and become a red giant. After it has run out of helium, it will expel its planetary nebula and become a white dwarf.

Our sun is currently a main-sequence star of relatively common occurrence and is fusing hydrogen into helium, producing a massive amount of energy every second.

Scientists estimate that the sun has about 5 billion years left on the main sequence- after which our sun will become a red giant-engulfing the inner planets, including Earth. However, it is not massive enough to become a supergiant, nor collapsing into a black hole- but will instead become a white dwarf after the red giant runs out of helium to fuse- but this will take approximately another 10 billion years before occurring.

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Answer 2

At the end of the Sun's life, it will exhaust its nuclear fuel and expand into a red giant. After this phase, it will shed its outer layers, forming a planetary nebula, and the remaining core will cool and shrink into a white dwarf.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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