Which seven stars does the Big Dipper refer to?

1, the Big Dipper refers to Shu Tian, Tian Xuan, Tianji, Tianquan, Yuheng, Kaiyang and Yaoguang in Ursa Major.

2. Shu Tian (Alpha Ursa Major), the star name, is one of the Big Dipper. It is a K0III orange giant star and a visual binary star with a companion star brightness of 4.8. The orbital period of the binary star is 44.4 years and the angular distance is 0 "36". The main star is a huge star with four times the mass and 32 times the radius of the sun. The apparent magnitude is 1.79, etc. And it is 2 light years away from the earth124. K0III orange giant Shu Tian is a visual binary star with a companion star brightness of 4.8, an orbital period of 44.4 years and an angular distance of 0 "36. The main star is a huge star with four times the mass and 32 times the radius of the sun.

3. Grace

4. Tian Xuan, the star name, is one of the Big Dipper, namely, the Big Dipper II, which is in the north of Taiwei. Tian Xuan (β/βUMa in Ursa Major), also known as Merak in English, is located in Ursa Major and is a polar constellation in the northern sky, which is derived from Arabic "waist".

5. Vernon, γ star Ursa major, also known as Lu Cunxing, whose astronomical proper name is Phecda, and whose international common name is γUma apparent 2.50, etc. , 83.7 1.4 light years away from the earth, is one of the Big Dipper.

6, Tianquan, star name, is one of the Big Dipper, also known as Wenqu Star. In Taiwei North, located at the junction of bucket handle and Doushao, it is the first star of Doushao and the darkest one of the Big Dipper, with an apparent magnitude of 3.40. From Jin Shu Tian.

7. Yuheng, a Chinese vocabulary, mainly refers to the name of a star. One of the Big Dipper, also known as the Big Dipper V (ε Star Ursa Major), is located at the junction of bucket handle and Doushao, and is the first star in bucket handle. Sometimes it also refers to Yuheng, Kaiyang and Yaoguang, namely Beidou 5, Beidou 6, Beidou 7 and Samsung, namely bucket handle Samsung.

8. Kaiyang, star name, one of the Big Dipper, the star of Ursa Major. Apparent magnitude 2.40, distance: 78.2 1. 1 light-year. If you look carefully, you will find a dark star near it. This dark star is called Ursa Major 80. The ancients saw that it was always close to Kaiyang, just like the patron saint of Kaiyang, so they called it an auxiliary star.

9. Shaking light, also known as Eta Ursae Majoris (English name: Alkaid；; Bayer nomenclature: Ursa major η; It is one of the Big Dipper, located at the extreme end of bucket handle, and the seventh star of the Big Dipper. In ancient times, it was considered as a symbol of good luck. The English name Alkaid means "the confessor's mentor". The 39th bright star in the whole day is a blue and white main sequence star of B3V.