1974 What is engraved on the woodcut star map unearthed in Xuyi County, Jiangsu Province in August?

1In August, 974, a woodcut star map was unearthed in an ancient tomb of the Western Han Dynasty about 200 meters southeast of Dongyang ancient city site in Xuyi County, Jiangsu Province. There are two pieces in this picture, which are vertically molded on the coffin lid. One piece is 188 cm long, 45.3 cm wide and 3.5 cm thick. The left side is engraved with a sun and the sun, and the head and tail of the sun are on both sides of the sun. There are nine Xiaotian in the upper right and one in the upper left runs fast, which is similar to "shooting for nine days". There is a full moon carved on the right, with toad horns arranged in the middle, and there are three fish-shaped patterns between the sun and the moon. The other piece is188cm long, 28.2cm wide and 3cm thick. The main body is two winged dragons. Three triangular stars are arranged on the left, connected by lines; There are three uneven stars on the right. In front of one of them is something with a scattered head and a scattered tail, which is shaped like a broom. What is particularly striking is that the tail of the comet in this picture is partially covered by the moon, which shows that astronomers have realized that the comet is farther away from the earth than the moon.