How to draw the Big Dipper?

Material: a blank sheet of paper and a black pen.

1. Draw seven black dots to represent stars, which are distributed like spoons.

2. Connect these seven points in turn with line segments.

3. Then the light of the star extends from the black spot.

4. Finally, draw the edge line with yellow.

The Big Dipper refers to Shu Tian, Tian Xuan, Celestial Pole, Tianquan, Yuheng, Kaiyang and Yaoguang in the constellation Ursa Major. The ancients associated these seven stars together and imagined them as barrels of wine in ancient times, hence the name Beidou. The Big Dipper appears in different directions in the sky in different seasons and at different times at night, so the ancients decided the seasons according to the direction pointed by bucket handle when he fainted for the first time: bucket handle points to the east, and the world is spring; Guide to barrel handle, it's summer in the world; Bucket handle refers to the west, and the world is autumn; The barrel handle refers to the north, and it is winter all over the world.

Shu Tian, Tian Xuan, Tian Ji and Tianquan are composed of Dou Shen and Gu Yue Kui. Yuheng, Kaiyang and Yaoguang are composed of bucket handle, which was called Piao in ancient times. Difference: The seven stars in Ursa Major are called Little Beidou; The emperor star is in Ursa minor, and Beidou is in Ursa major. The so-called bucket is an emperor car.

The Big Dipper is the creator of heaven and earth order. The harvest in spring, summer, autumn and winter storage all follow the direction of bucket handle, and it is also the center of the metaplasia of everything in the world. The Big Dipper will appear in different directions in the northern hemisphere sky in different seasons and at different times at night, so the ancients decided the seasons according to the direction pointed by bucket handle when he first fainted.

The ancient book "Guo Guanzi" records: bucket handle refers to the east, and the world is spring; Guide to barrel handle, it's summer in the world; Bucket handle refers to the west, and the world is autumn; The barrel handle refers to the north, and it is winter all over the world. The alternation of seasons is closely related to the "intersection of the yellow and the red", which is the fundamental reason for the change of the four seasons and the division of the five zones on the earth, and affects the physical and geographical phenomena closely related to it. According to the direction of the Big Dipper in the night sky, ancient people can guide agricultural production not to miss the season.