The position of Polaris and the Big Dipper.

Polaris is on the extension line of the Big Dipper.

Throughout the year, the bucket handle orientation of the Big Dipper changes with the seasons, but the relative positions of the Big Dipper and Polaris remain unchanged.

The Big Dipper is a part of Ursa Major, located at the tail of Ursa Major. Its location is difficult to determine, because it will be located in different locations in different seasons. These things are recorded in many ancient books, such as "bucket handle refers to the east, and it is spring all over the world; Generally speaking, it is located in the north. When many people get lost in the wild, they rely on the Big Dipper to tell them the direction.

Related introduction

The position of the Big Dipper is 78 light-years away from the Earth-124 light-years, belonging to Ursa major.

The Big Dipper and Polaris are not far apart. After finding Polaris accurately, the Big Dipper will appear nearby, because they are interdependent in the sky.

The line between Tian Xuan and Shu Tian of the Big Dipper points to Polaris, and its position in the sky is almost unchanged.

Because of the revolution of the earth, the position of the Big Dipper changes with the seasons.