Across
- 2. a large group of stars bound by gravity
- 3. professional trained to study stars
- 5. closest star to earth
- 6. group of stars
- 8. also called a falling star or shooting star
Down
- 1. star is a fast moving star
- 4. a colossal explosion of a star
- 5. ..astronomy, the study of stars
- 7. instrument used to study stars