There is an asteroid belt between mars and jupiter.
They orbit the sun, and didn't form a planet when the solar system was formed because the gravitational attraction of Jupiter interferred.
Asteroids stay in their orbits but sometimes get pushed/pulled into another orbit.
A meteor is a rock that enters the Earth's atmosphere.
Theyburn up, and we see shooting stars.
Sometimes, if it doesn't fully burn up, we get a meteorite that…