Across
- 4. people dedicated to studying the sky
- 6. the beginning
- 8. argument or dispute
- 9. person who is manning a ship or who is trained for this job
- 10. telescope orbiting the earth
Down
- 1. theory of the universe
- 2. known as the planet of the rings
- 3. able to be seen
- 5. name of the planet we live
- 7. Grouping of stars, celestial bodies and cosmic matter