ELI5: Explain Like I'm 5

Historical comet observations in China

Comets are big balls of ice and rock that fly through space. People have been observing comets for a very long time, even in ancient China.

In China, people kept detailed records of their observations of comets. They would write down when they saw a comet, what it looked like, and where they saw it in the sky. They also believed that comets were a sign of important events, like a change in the emperor or a natural disaster.

The Chinese would often associate the appearance of a comet with a specific event, like a rebellion or a famine. They believed that the appearance of a comet was a message from the heavens about what was going to happen in the future.

Over time, Chinese astronomers learned how to predict the appearance of comets. They used sophisticated instruments like the astrolabe and the armillary sphere to track the movement of the stars and planets. They also used their knowledge of mathematics to calculate the orbit of a comet.

Through their observations and calculations, Chinese astronomers discovered that comets are actually part of our solar system. They realized that comets orbit the sun just like the planets do.

Today, scientists continue to study comets and learn more about their composition and behavior. We still look back at the historical comet observations in China as an important record of our understanding of space and the world around us.