Question

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what is a galaxy ?​

Answer 1

Answer:

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

Answer 2

It is a collection of solar systems, huge stars, black holes, asteroids etc