Across
- 1. small chunk of rock in space
- 3. what causes meteors to disintegrate on earth
- 5. also known as a shooting star
- 7. a collection of ice and dust in the outer-most layer of the solar system
- 9. part of a meteor that makes it to earth's surface
Down
- 1. where most asteroids are found
- 2. would be a meteor if it entered the atmosphere
- 4. the center of our solar system
- 6. has a tail
- 8. what comets do around the sun
