Across
- 5. a dying star
- 8. bound system of stars
- 9. has multiple galaxies
- 10. late stage of life and are the largest and brightest they will get
- 11. the stage that most stars are in
Down
- 1. a dead star
- 2. classifies stars
- 3. stars that have expanded greatly in size and luminosity
- 4. galaxy that includes are systems
- 6. a diagram that classifies stars
- 7. the brightness of something
- 12. a cloud of gas and dust