Asteroids Meteors and Comets

12345678910
Across
  1. 5. small objects that have tails and are made of ice and dust
  2. 7. Another belt in the solar system that contains comets rather than asteroids
  3. 8. The place where most comets come from
  4. 10. A piece of an asteroid that orbits through the solar system
Down
  1. 1. The barrier or protective layer around a planet
  2. 2. A shooting star
  3. 3. The place between Mars and Jupiter where most asteroids orbit
  4. 4. When one object revolves around another
  5. 6. A meteor that hits Earth's surface
  6. 9. irregular shaped chunks of rock that orbit the sun and are too small to be considered a planet