Has the name of the Big Dipper. Tianshu, Tianxuan, Tianji, Tianquan, Yuheng, Kaiyang, Yaoguang. The full name is as follows:
1. Tianshu Star
Tianshu Star is one of the Big Dipper stars. It is a K0III orange giant star and a visual double star. One of the stars has a brightness of magnitude 4.8. The companion star has an orbital period of 44.4 years and an angular separation of 0"36. The main star has 4 times the mass of the sun and 32 times the radius of the sun. It is a huge star. The apparent magnitude is 1.79 and it is 124±2 light years away from the earth.
2. Tianxuan Star
Tianxuan Star is one of the Big Dipper Stars, namely the Big Dipper, located in the twilight north. Tianxuan Star (β/βUMa Ursa Major), also known as Merak in English. Derived from the Arabic word "(bear's) waist", it is located in Ursa Major, a constellation in the northern sky.
Tianxuan is 79.7? light-years? (24.4? parsecs?) away from the sun, and its apparent magnitude. It is 2.37, visible to the naked eye. As a member of the Big Dipper, Tianxuan is better known in the northern hemisphere. Tianxuan is adjacent to Tianshu (α Ursa Major), and the extension line of the two stars points to the Polar Star in the Great Big Dipper. One of the Moving Stars.
3. Tianji Star
One of the Seven Stars of the Big Dipper, located in the Ursa Major. It originated from the worship of the Big Dipper in ancient China and condensed the sky in the east. The essence of civilization. The Big Dipper has been a guiding star since ancient times, reflecting the infinite wisdom of the East. Tianji is the third star of the Big Dipper. It is revered as the Lucun Star and governs the wealth of heaven and earth. Star of Wealth.
4. Tianquan Star
One of the Seven Stars of the Big Dipper, also known as the Wenqu Star. It is located at the connection between the handle and the spoon. The first star of the Big Dipper is also the dimmer one among the Big Dipper.
5. Yuheng Star
One of the Big Dipper, also known as the Big Dipper (Epsilon Ursa Major). It is located at the connection between the handle and the spoon, which is the first star of the handle. Sometimes it also refers to the three stars of Yuheng, Kaiyang and Yaoguang, namely the Big Dipper, the Big Dipper, and the Big Dipper. Three stars.
6. Kaiyang Star
One of the Big Dipper stars, the star of Ursa Major has an apparent magnitude of 2.40 and a distance of 78.2±1.1 light years. There is also a dark star called 80 Ursa Major. The ancients saw that this dark star was always very close to the sun star, like a guardian of the sun star, so they called the dark star Auxiliary
7. Yaoguang Star
Yaoguang star is the product of the combination of ancient Chinese mythology and astronomy. Yaoguang star is the seventh star of the Big Dipper.
Baidu Encyclopedia-Big Dipper