Question

what is Polestar define​

Answer 1

Answer:

A pole star or polar star is a star, preferably bright, nearly aligned with the axis of a rotating astronomical body. Currently, Earth's pole stars are Polaris, a magnitude-2 star aligned approximately with its northern axis, and a pre-eminent star in celestial navigation, and Polaris Australis, a much dimmer star.

Explanation:

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Answer 2

$\large \fbox \red {A} \fbox \green {n} \fbox \blue {S} \fbox \orange {w} \fbox \pink {E} \fbox \purple {r}$

Polestar, also spelled pole star, also called (Northern Hemisphere) North Star, the brightest star that appears nearest to either celestial pole at any particular time. Owing to the precession of the equinoxes, the position of each pole describes a small circle in the sky over a period of 25,772 years.