Question

Order of rotation of star

Answer 1

The star has five points. To rotate it until it looks the same, you need to make 1/5 of a complete 360° turn. ... You can compute the angle of rotation from the order of rotation: An order n rotation corresponds to a 360∘n angle of rotation

Answer 2

here is the answ.

Stars that are close to the Earth’s axis of rotation — what we call the north and the south pole — rotate around the poles. If the pole’s location is far enough above the horizon, some stars never set. They just keep spinning.

If your geographical location happens to be close to the pole, most stars will be rotating around the pole and very few will rise and set. (And in a trick of geometry, it will be hard to see the Sun, moon and planets since their path in the sky is at 23.5 degrees — the same as Earth’s tilt. This is why the poles have months of darkness, because the Sun doesn’t always shine there.)