Across
- 2. A celestial body that isn't a moon or planet
- 7. A planet outside of the solar system
- 9. the largest moon in the Solar System
- 11. The furthest dwarf planet
- 12. The third largest moon in the Solar System
Down
- 1. The four outer planets
- 3. The dwarf Planet that has an atmosphere made of Nitrogen and Methane
- 4. The four planets closest to the sun
- 5. The third largest dwarf planet found on the Kiuper belt
- 6. The dwarf planet that is the largest on the Asteroid belt
- 8. The most geologically active body in the Solar System
- 10. Jupiter's moon made of ice and water
