Across
- 5. blue-green color
- 10. chunk of space matter
- 12. land extending into water
- 13. air and gases
- 14. hole in the earth
Down
- 1. large cave
- 2. soft rock
- 3. a sudden outburst
- 4. to make impure
- 5. study of stars and planets
- 6. weather study
- 7. space pilot
- 8. water storage facility
- 9. shaking movement
- 11. about the moon