Why is Polaris called Dog Chen Yi? What's the point of hooking up?

The first question: Why is Polaris called dog Chen Yi?

First of all, why is there such a name as Polaris?

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Look at this picture. The earth is centered on the earth and rotates at a certain inclination. The expanded sky map is shown in the above picture. This is a virtual map. In fact, the planet people see is not necessarily on the shell, but far and near, and this is just a projection.

The north pole extends outward, facing the north pole of the starry sky. The North Pole is unique in the night sky. Because it is facing the north pole of the earth, the north pole towards the starry sky must be the north pole towards the earth. That's why Polaris always points north.

The star in the North Pole is Polaris. The current Polaris is Gou Chenyi, because it is closest to the North Pole. It's not that Hook Chen Yi equals Polaris, but that Hook Chen Yi is close to the North Pole, so it's called Polaris.

Why is Chen Yi not equal to Polaris? Because with the precession of the earth, the position of the North Pole is not fixed, and it is different every year, but the position becomes slower, so it is not easy to be observed. About 14000, the Polaris will be replaced by Vega.

Why is Polaris called Dog Chen Yi?

As mentioned earlier, Polaris is called Polaris because a star is at the north celestial pole. At present, dog Chen Yi is in this position, so Polaris is called dog Chen Yi.

Gou Chenyi is the name of China, which is called Alpha Ursa in the west.

Why does China call the dog Chen Yi?

The ancients in China divided the starry sky into three walls and twenty-eight nights for the convenience of watching the stars, which is the same as the western classification of the stars as constellations. Every place has a name, which is convenient for observation. Most of these names are named after names on the ground.

Gouchen is one of the three elements.

The second question: What is Gouchen?

Gou Chen is the ancient god of China. Being honored as Emperor Gouchen, he entered the palace and stayed in Gouchen Gong, the Cloud Palace in Antarctica. He is a hub to the north, and the emperor is also fine with heaven. He should have no beginning. Three days later, ten thousand days later, he was called Wan Lei Gou Chen, and his phantom body was seven and seven, so there were as many as five thousand nine hundred and twenty. In charge of the nine celestial realms, the Lord of the demon spirit, the master of the gods, and the Lord of the stars, respect the original blessings. He is a demon emperor, riding a "Hua Gai Yun Xiang Car".

Gouchen is the center of the north celestial pole, and all the stars revolve around him, so people imagine an emperor Gouchen to rule all the stars. This is the origin of Gou Chen.