What is a galaxy?

The sun is just one of the 2 billion stars in the star-shaped crowd that resembles the form of egg . This cluster is called a galaxy. We are seeing him in the starlight range that extends through the night sky, which is called the Milky Way. At the beginning of the 20th century, scientists discovered: our galaxy is just one in a million such stellar clusters scattered in space. These clusters are also called galaxies.

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