Across
- 6. mass 1/1000 of the sun
- 7. center of the solar system
- 10. natural object outside of earth's atmosphere
- 11. moon of Jupiter
- 13. second-smallest planet
Down
- 1. hottest planet in our solar system
- 2. densest giant planet
- 3. Ball Of Gas
- 4. similar to Neptune
- 5. not considered a planet
- 7. second largest in the solar system
- 8. closest planet to the sun
- 9. only planet that has life
- 12. moon of Jupiter
- 13. orbits the earth