Question

What are the advantages of a pole star??

Answer 1

A pole star is approximately aligned with Earth's axis of rotation, so by following its direction, one can go to north. This star have been useful since the olden time, because it helped the people to find the directions.

Answer 2

The advantage of the Pole Star, or Polaris is that it helps us to find the north direction since it's position is over the North Pole. It is the only starthat doesn't appear to move, it is directly located above Earth's North Pole.