Question

what is galaxy..................​

Answer 1

A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter. The word galaxy is derived from the Greek galaxias, literally "milky", a reference to the Milky Way.

OR

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.

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Answer 2

Explanation:

A galaxy is a huge collection of gas, dust and billions of stars and their solar systems , all help together by gravity. we live on a planet called earth that is part of our solar systems.

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