Across
- 1. scream
- 5. move back
- 6. root meaning related to outer space
- 9. rocky body orbiting the sun
- 11. person trained for outer space
- 13. how plants use sunlight to make food
- 14. attitude of not trusting human nature
- 15. sleepy
Down
- 2. theory
- 3. prefix meaning to repeat
- 4. go back to the way it was
- 5. reposition something
- 7. identification of an illness
- 8. study of the stars and planets
- 10. pay
- 12. star like symbol
- 16. suffix meaning condition of