Question

what is mean by pole star


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Answer 1

hey friend ......
your answer is here .......
a pole star is the star which is present in the straight of the north pole of the earth .... in the other words..
A pole star is a visible star, preferably a prominent one, that is approximately aligned with the Earth's axis of rotation; that is, a star whose apparent position is close to one of the celestial poles, and which lies approximately directly overhead when viewed from the Earth's North Pole or South Pole..

Answer 2

It is the name of a star known as Polaris present in the constellation of ursa minor