Question

what is galaxy?explain ​

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. 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

Answer:

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