Question

what is the galaxy? give short answer.

Answer 1

A galaxy is a group of many stars, with gas, dust, and dark matter. The name 'galaxy' is taken from the Greek word galaxia meaning milky, a reference to our own galaxy, the Milky Way. Gravity holds galaxies together against the general expansion of the universe.

Answer 2

Explanation:

A galaxy is a collection of stars and planets that are held together by gravity. In a galaxy, the celestial bodies rotate around a central object