What does the Milky Way mean?

The Milky Way refers to the milky white bright belt across the starry sky. China was also called Tianhe, Hehan, Han Yin, Xinghe, Xinghan and Han Yun in ancient times, and γ α λ α ξ in ancient Europe? α? "The Road to Milk."

The Milky Way intersects the celestial equator in Aquila and is located in the northern hemisphere. The milky way draws a band with different widths on the celestial sphere, which is called the galactic band. Its widest place is 30, and its narrowest place is only 4 ~ 5, with an average of about 20, which is only a part of the Milky Way.

The Milky Way occupies a very important position in China culture. As early as the Han Dynasty, China's famous myth and legend Cowherd and Weaver Girl was included in the literature.

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 contains hundreds of billions of stars, with a total mass of about 600 billion to 3 trillion times that of the sun and a diameter of about 654.38+ million light years.

Extended data:

Galaxy related extension: Galaxy Computer

Refers to a series of giant computers developed by China National University of Defense Technology.

On February 22nd, 1983, 1983, China's first computer Galaxy was successfully developed in Changsha.

Galaxy Supercomputer System is an electronic computer with the fastest operation speed, the largest storage capacity and the strongest function in China. It is an important means of petroleum, geological exploration, long-term numerical prediction, satellite image processing, large-scale scientific research project calculation and national defense construction, and plays an important role in accelerating China's modernization.

Baidu encyclopedia-galaxy

Baidu encyclopedia-galaxy