Across
- 4. a scientist who studies the stars
- 5. a group of stars(in astronomy)
- 7. the day before Easter
- 9. famous clock in London
- 10. a thick layer of floating ice
Down
- 1. big dump for electronic waste
- 2. person who travels in a spacecraft
- 3. balls of hot gas
- 6. a city famous for jazz music
- 8. the day after Christmas