What is the journey of a small comet recorded at the edge of the distant solar system?

Small comets run on the edge of the distant solar system, which is an extremely cold and dark Oort cloud.

A Journey to the Little Comet is an original popular science book for children's astronomy in China, which has a strong story and can deeply attract young readers. Paintings are vivid and vivid, and the knowledge points are easy to be accepted and absorbed by young readers so far, which is convenient for young parents to explain knowledge and children to read. The small comet trip especially links the astronomical knowledge that children are willing to master, and can gain more science.

The author Xu Gang, a domestic astronomy artist, a senior astronomy enthusiast, a special space artist of Beijing Planetarium and a gold medal winner of the World Stamp Exhibition, has published his works widely in popular science publications such as Astronomy Enthusiast magazine and China National Astronomy, and created popular science books such as Astronomy on Stamps and Starry Sky-Talking about Ancient Constellations in China.