Across
- 3. independence
- 4. type of frog
- 6. a vehicle
- 10. medicine
- 11. something that happens fast or something that gets done by itself
- 13. a signature of someone
- 14. study of life
Down
- 1. someone who goes into space
- 2. something decomposable
- 3. a large falling star
- 5. an instrument used with astronomy
- 7. a branch of space sciences
- 8. a ruler who has power
- 9. an account of someone's life written by someone else.
- 12. study of stars
