What's the name of the Big Dipper? (2 144 Happy Baby)

The Big Dipper, also known as Polaris, refers to seven bright stars arranged in barrels in the northern sky. We often call them the Big Dipper. According to the modern international star naming system, the Big Dipper belongs to Ursa major. The Big Dipper consists of seven stars, namely Shu Tian, Tian Xuan, Tianji, Tianquan, Yuheng, Kaiyang and Yaoguang. Ancestors connected these seven stars and imagined them as barrels of wine in ancient times. Shu Tian, Tian Xuan, Tian Ji and Tian Quan form a bucket body, Gu Yuekui and Dou Kui; Yuheng, Kaiyang and Yaoguang are composed of bucket handle, which was called Piao in ancient times. Tian Xuan and Shu Tian are in a straight line, extending about five times, and then you can find Polaris, which constitutes the Polaris area. Modern stars are named Ursa major, Ursa major, Ursa major, Ursa major, Ursa major, Ursa major, Ursa major, Ursa major and Ursa major. Connect the two stars at the mouth of the barrel and extend to the mouth of the barrel for five times to find the North Star. These two stars are also called "finger stars".