Final answer:
The solar system is a collection of objects bound to our Sun, including planets, moons, asteroids, comets, and dust formed about 4.5 billion years ago.
Step-by-step explanation:
The solar system is a collection of objects bound to our Sun. It consists of the Sun and many smaller objects such as planets, their moons and rings, asteroids, comets, and dust. Most of these objects formed together with the Sun about 4.5 billion years ago from a cloud of gas and dust.