Across
- 1. story of a real person's life
- 5. instrument used by early astronomers to measure the altitude of stars and planets
- 8. leave suddenly from a place that has imprisoned
- 9. hard to understand
- 10. any science that deals with the biological aspects of living organisms
- 13. earth living things
- 14. study of the movements and positions of the sun, moon, planets
Down
- 2. a person whose profession is to travel beyond the earth's atmosphere
- 3. not normal
- 4. science or art of navigating a spaceship
- 6. Having an effect upon a living organism
- 7. a scientist who studies the stars planets
- 11. away not there
- 12. perfect or complete
- 13. study of life