Across
- 3. steep slope
- 5. mons largest volcano
- 7. before disintegration
- 9. largest moon in solar system
- 10. rocky planets
- 13. moon of jupiter
- 14. smaller moon of mars
- 15. chemical vs light
- 17. outer planets
Down
- 1. dust,rock and ice
- 2. 4 largest moons of jupiter
- 4. largest canyon
- 6. Venus continent
- 8. atmosphere stream
- 11. largest moon of mars
- 12. largest moon of neptune
- 16. radiowaves