Across
- 3. Big star
- 4. Cloud of gas and dust
- 7. The beginning stage of a star’s life
- 8. Cluster of stars
- 10. Largest celestial object
- 11. the type of the milky way
- 12. The explosion of a giant star
- 13. with a round/egg-like shape
- 15. With “white”, the core of an old dying star
Down
- 1. How massive a star is
- 2. The middle stage of a star’s life
- 5. The distance that light travels in a year
- 6. The center of the Milky Way
- 9. that have an unusual shape
- 14. The brightness of a star