Across
- 2. part of a comet, covers the nucleus
- 6. belt located between Mars and Jupiter, containing asteroid
- 8. made of ice and dust, when close to the sun develops a tail of gas
- 9. the amount of planets in the solar system
- 10. travels through the earth's atmosphere but never lands on earth
Down
- 1. travels through the earths atmosphere, hits earth
- 3. small rocky body that orbits the sun, commonly found in the asteroid belt
- 4. tail part of a comet, made of ions
- 5. part of a comet, in the center
- 7. tail part of a comet, made of dust particles