Across
- 5. small objects that have tails and are made of ice and dust
- 7. Another belt in the solar system that contains comets rather than asteroids
- 8. The place where most comets come from
- 10. A piece of an asteroid that orbits through the solar system
Down
- 1. The barrier or protective layer around a planet
- 2. A shooting star
- 3. The place between Mars and Jupiter where most asteroids orbit
- 4. When one object revolves around another
- 6. A meteor that hits Earth's surface
- 9. irregular shaped chunks of rock that orbit the sun and are too small to be considered a planet