what is galaxy!?????????
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a galaxy is a huge collection of gas, dust, and billions of stars and their solar systems. a galaxy is held together by gravity. our galaxy, the milky way, also has a supermassive black hole in the middle. ... this is the picture taken by the hubble space telescope showing thousands of galaxies.
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A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems. A galaxy is held together by gravity. Our galaxy, the Milky Way, also has a supermassive black hole in the middle. When you look up at stars in the night sky, you're seeing other stars in the Milky Way.
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