Across
- 2. "Dirty Snowball"
- 6. Neptune's smallest moon
- 7. Rotates on its side
- 8. Earth's only moon
- 9. Saturn's largest moon
- 11. Death of a large, High mass star
- 12. Uranus's largest moon
Down
- 1. Pulsating star
- 3. Death of a small, High mass star
- 4. Glowing ball of gas
- 5. Second planet from the sun
- 10. Our galaxy