Question

Describe Galaxy



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Answer 1

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

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

Galaxies are sprawling systems of dust, gas, dark matter, and anywhere from a million to a trillion stars that are held together by gravity. Nearly all large galaxies are thought to also contain supermassive black holes at their centers

Explanation:

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