Question

what is galaxy ?????????????​

Answer 1

Answer:

⇨A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity.

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Answer 2

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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 (γαλαξίας), literally "milky", a reference to the Milky Way.