Galaxy is a system that consists of the vast stellar clusters; gas and dust. The sky called nebulae and space. Together in the same system. Because the gravity each other galaxies is one element of the universe was born, when approximately 18 000 million years ago. About that the universe has a galaxy to 100 000 million system, and believe that stars, including the sun. The center of the solar system. They move around the center of the galaxy with the gravitational force between Dang infrastructures, with what is at the middle of the galaxy, which liberal gravity is very high. Astronomers believe that this is a black hole, which is believed to have infinite depth. Things when I can"t get out stellar saw in the sky. As the stars in our galaxy Or กาแลกซี่ทางช้างเผือก a white ceiling similar thin clouds surrounding the Milky way is a sky Galaxy Galaxy turbine Because looking at the top and bottom will see that there is a plate structure, or machine, or coiled shells, the center will be by oval, with a length of 100 000 years, our sun is in the right arm away in the heart of the galaxy, about 30 000 light-years.
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