The Big Dipper, also known as the "Big Dipper", is the "Dou Su" in the Twenty-Eight Constellations. It refers to the seven bright stars arranged in a bucket shape (a more technical term is a dipper shape) in the northern sky. These seven The stars are:
1. Tianshu star. "Huang Lao Jing" says it is the "Soul God of the Yang Star", Taoists also call it "Pojun Star", its astronomical name is Dubhe, and its international common name is αUma.
The following six stars are also introduced in the order of ancient astronomical names, Huang Lao Jing annotations, Taoist titles, astronomical proper names, and international common names:
2. Tianxuan Star, Yinjing Star Soul God Martial Arts Star Merak βUma
3. Tianji (Machine) Star Zhenren Star Soul Jinglian Zhenxing Phecda γUma
4. Tianquan Star Xuanming Star Soul Jingwenqu Star Megrez δUma
5. Alioth εUma, the soul soul star of the Yuheng Star Dan Yuan Star
6. Mizar ζUma, the soul soul giant gate star of the Kai Yang Star Polar Star
7. The Soul of the Shaking Light Star, Tianguan Star, and the Bright Wolf Star, Alkaid ηUma
The first four stars are called "Dukui", also known as "Xuanji"; the last three stars are called "Douyu" "The bucket handle". Polaris can be found when the line connecting Tianxuan β and Tianshu α is extended about 5 times. Therefore, β stars and α stars are also called "pole stars".
Taoist classics call these seven stars this way: Beidou Yangming Greedy Wolf Star Lord, Beidou Yinjing Jumen Star Lord, Beidou Zhenren Lucun Star Lord, Beidou Xuanming Wenqu Star Lord, Beidou Danyuan Star Lord Lian Zhenxingjun, Beidou North Pole Wuquxingjun, Beidou Tianguan Pojunxingjun.
Some Taoist books also say that according to the time of birth, people's lives are divided into seven star monarchs: "The greedy wolf Taixing Lord, the son of the child belongs to it; the Jumen Yuanxing Lord , people born in Chouhai belong to it; Lucun Zhenxingjun, people born in Yinxu belong to it; Wenqu Niuxingjun, people born in Maoyou belong to it; Lianzhengangxingjun, people born in Chenshen belong to it; Wuquji Xingjun , people who have not been born belong to it, people who are born in the afternoon belong to it. "Everyone can find their own destiny star according to their birth date.