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What is the second closest star to Earth? Are there planets in orbit around it?

Answer 1

The star known as Alpha century A (Reigil Kent) is the second nearest star from Sun.

Its distance from the Sun is 1.34 parsec. Astronomers are waiting for larger space telescopes to be in orbit before looking for exoplanets around the Alpha Centauri system.

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Answer 2

Layla Anderson

Proxima Centauri is the star that is the second closest to Earth. It is known that at least one planet, Proxima b, orbits it.

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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.