Beta Gemini
Alpha Gemini
Extend the line connecting Beta Orion and Alpha Orion in the northeast direction, and you can encounter two stars not far apart. Bright stars, the brighter one is Beta Gemini, with a brightness of 1.14 magnitude. The slightly dimmer star is Alpha Gemini, with a brightness of magnitude 1.97. The string of τ, ε, and μ stars starting from the α star is almost parallel to the other string of stars δ, ζ, and γ starting from the β star. They are imagined as two friendly brothers - Castor and Pollux. kes.
The younger brother - Star Beta, was called "Polux" in ancient my country. It is actually brighter than the older brother - Star Alpha. It is the seventeenth brightest star in the sky. The elder brother - also known as the α star, was called "Pollux" in ancient my country. It is the first confirmed double star in the history of astronomy. In fact, to be precise, it is a "six-united star" composed of six stars. Interestingly, his younger brother Pollux is also a star of sex. The two brothers are indeed twins, how similar they look!
There is a group of meteors in the constellation Gemini, known as the Geminid meteor shower. Its radiant point is near the Alpha star, which appears around December 11th every year. The meteors are at their peak on the 13th.