Across
- 1. how we talk to people far away
- 6. read again
- 8. the study of the earth
- 9. the study of myths
- 11. how we see far away stars and planets
- 14. wrongly understand
- 16. heat before
- 17. to fly now
- 19. the study of life
- 20. half sweet
Down
- 2. characteristic of being happy
- 3. the state of being serious
- 4. half circle
- 5. build again
- 7. write again
- 10. the study of the ocean
- 12. full of color
- 13. the state of being dark
- 15. not tied
- 18. to swim now