Across
- 4. diameter is half the size of Earth's
- 5. this planet takes 30 years to make one revolution around the sun
- 8. a small rocky or metal body traveling in outer space
- 9. the hottest planet
- 10. smallest terrestrial planet
- 13. located between Mars and Jupiter
- 14. planet where water exists as liquid, gas, or solid
- 15. a small body that is solid and rocky
Down
- 1. fuzzy spot or streak visible in the night sky
- 2. the seventh planet from the sun
- 3. largest planet in the solar system
- 4. often called "shooting stars"
- 6. farther from the sun than Uranus, but has the same temperature as Uranus
- 7. a meteor that actually hits the Earth's surface
- 11. icy dirt balls
- 12. the gas that all of the outer planets contain