Across
- 4. Small Mars moon
- 5. Full planet spin
- 7. Between Mars/Jupiter
- 8. Pluto's moon
- 10. Space emptiness
- 11. Home planet
- 13. Fastest speed
- 16. Belt rock
- 19. Shooting star
- 22. Football shaped dwarf
- 25. Ringed planet
- 26. Around the Sun
- 27. Sun's atmosphere
- 28. Volcanic moon
- 29. Neptune's moon
- 30. Hottest planet
- 33. Rock hits ground
- 34. Saturn's moon
- 35. Asteroid belt dwarf
- 37. Largest planet
Down
- 1. Smallest planet
- 2. Dirty snowball
- 3. Largest moon
- 6. Sun's center
- 9. Farthest planet
- 12. Death Star moon
- 14. View stars tool
- 15. Planet's path
- 17. Icy outer shell
- 18. Icy moon
- 19. Red planet
- 20. Mars moon
- 21. Downward force
- 23. Rotation line
- 24. Region past Neptune
- 25. Closest star
- 31. Sideways planet
- 32. Dwarf planet
- 33. Earth's satellite
- 36. Massive dwarf planet