Question

Which statement accurately describes a galaxy?

a vast system of stars, gas, and dust held together by gravity

all the matter and energy in the space

a star and all the other objects that orbit it, held together by gravity

a planet and all the natural satellites that orbit it, held together by gravity

Answer 1

The statement that accurately describes a galaxy is:

**a vast system of stars, gas, and dust held together by gravity.**

Galaxies contain billions to trillions of stars, along with various amounts of gas and dust, all bound together by gravitational forces.