Define Galaxy.. plzzzzzz
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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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a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
the galaxy of which the solar system is a part; the Milky Way.
noun: Galaxy; noun: the Galaxy
a large group of impressive people or things.
"the four musicians have played with a galaxy of stars"
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