1 What are the outstanding achievements in astronomy in ancient China?

1. Chronicle of Bamboo Slips records that in ten years, the stars fell like rain at night, which is the earliest meteor shower record in the world.

2. Understand the laws of the sun, the moon, the stars and the four seasons in Xia and Shang Dynasties, and make a calendar.

3. In July of 6 13 BC, astronomers in Shandong Province observed that Halley's Comet swept the Beidou, which is the earliest observation record of Halley's Comet in the world.

4. A large number of outstanding astronomers such as Zhang Heng and his party and Guo Shoujing have emerged.

5. 1054 On July 4th, astronomers in the Northern Song Dynasty observed a supernova explosion.

Zhang Heng, an astronomer in the Eastern Han Dynasty, put forward the theory of Huntian.