Why is the North Star called the North Star?

Answer 1

The name of star is Polaris.

It can be used to determine north direction because it is so close to the earth's north pole. However, because of p recession, the earth's pole is shifting, and Vega will become the pole star after 13,000 years.

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Answer 2

Claire Anctil

The North Star is called the North Star because it is positioned almost directly above the Earth's North Pole, making it appear stationary in the night sky as the Earth rotates. This fixed position has made it a reliable navigational aid for centuries, particularly for sailors and travelers determining direction.

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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.