Question

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Define Galaxy?
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Answer 1

Answer:

a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.

Answer 2

ANSWER

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

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