What does it mean for girls to send the galaxy?

Girls' hair can be traced back to the Milky Way, which means that they see the shadow of their predecessors in someone.

Milky Way

The Milky Way can only be seen on a clear night, which is caused by the light of countless dark stars. The Milky Way is not the Milky Way, but a part of it. The Milky Way, known as the Milky Way Tianhe Xinghe Tianhan Han Yin in ancient times, is a rod-spinning galaxy with a diameter ranging from 100000 light years to 180000 light years. There are about100 billion to 400 billion stars, and there may be100 billion planets.

The solar system is about 26,000 light years away from the center of the Milky Way, and it is called Orion's spiral arm at the inner edge of the spiral arm with dense gas and dust. At the position of the sun, period of revolution is about 240 million years old. Seen from the earth, because it is seen from the inside of the disk-shaped structure, the Milky Way takes the shape of a belt around the celestial sphere.

Since ancient times, the magnificent Milky Way has been the object of observation and research that people pay close attention to. Thousands of years ago, people had various conjectures about the Milky Way. In China's myths and legends, the Milky Way is a river in the sky; In ancient Greek mythology, people thought that the Milky Way was paved with Hera's milk.

It was not until Galileo aimed his telescope at the Milky Way for the first time that he discovered that the Milky Way was actually made up of countless stars.