Question

what is galaxy???????
please..

Answer 1

Answer:

A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems. A galaxy is held together by gravity. Our galaxy, the Milky Way, also has a supermassive black hole in the middle. ... Some scientists think there could be as many as one hundred billion galaxies in the universe.

Answer 2

Explanation:

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.