What is most likely the ultimate fate of the planet Earth?

Answer 1

It will be enveloped by the sun.

When our sun is in the final stages of burning its hydrogen it will go through a period of expansion. Many astronomers expect that expansion to spread as far as the Earth in its orbit bringing about its ultimate demise.

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Answer 2

Clara Avalos

The planet Earth's ultimate fate is thought to involve multiple possibilities: it could be destroyed in a collision with another celestial body, eventually cool down and become uninhabitable due to natural processes, or it could be swallowed by the sun's expansion and turn into a red giant.

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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.