Question

Which statement accurately describes a galaxy?

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.

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

All the matter and energy in the space.

Answers

GPT-4o mini
The statement that accurately describes a galaxy is:

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

Galaxies are enormous collections of stars, stellar remnants, interstellar gas, dust, and dark matter, all bound together by gravitational forces.