Are there other galaxies outside our solar system?

Astronomy has found that our sun is just a small star, much brighter than the sun. There are many stars in the sky at night. Actually, every star is a star, and almost every star has its own solar system. The Milky Way, where our solar system is located, has 200 billion stars, which is 200 billion solar systems. If they all name names, there are more people on earth. In the universe, the Milky Way is a very small river, and there are countless galaxies outside the river. In the universe, they are also microorganisms and dust. There are galaxies in the universe, and there are also black holes that devour galaxies. There are 8 billion people on the earth, and there are many more galaxies outside the solar system than on the earth. There are 200 billion solar systems in the Little Galaxy, which is 25 times that of the earth people. How can you say there are no other galaxies?

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