Question

Why pole star is a special star?

Answer 1

Pole star or polar star is a name of Polaris in the constellation Ursa Minor, after its property of being the naked-eye star closest to the Earth's north celestial pole. 

Answer 2

pole star is also called polaris is famous for holding nearly still in our sky. while the entire northern sky moves around it. that's because it is located nearly at the north celestial pole,the point around which the entire northern sky turns.