Here's a little more about asteroids:

* Size: They range in size from tiny pebbles to hundreds of miles across.

* Location: Most asteroids are found in the asteroid belt between Mars and Jupiter.

* Composition: They are mostly made of rock and metal.

* Origin: They are thought to be remnants from the early solar system that never formed into a planet.

Let me know if you have any other questions about asteroids or the solar system!