Across
- 2. deep gully
- 6. large cave
- 7. relating to water
- 8. destructive event
- 9. sunken earth
- 10. chunk of space matter
- 12. land extending into water
- 14. studies earth
- 15. fish tank
- 16. pipe for water
- 17. blue-green color
- 19. shaking movement
- 20. hollow hole
- 22. water storage facility
- 23. hole in earth
- 24. about stars
- 25. destructive event
- 26. study of stars and planets
- 28. air and gasses
- 29. hardened remains
Down
- 1. study of earth
- 3. uncover/bury
- 4. about the moon
- 5. study of weather
- 11. explosion
- 12. impure
- 13. soft rock
- 18. expert on remains
- 21. space pilot
- 27. narrow channel