Across
- 5. Rapidly rotating neutron stars
- 10. Small rocky object
- 11. Forming star cloud
- 12. Two orbiting stars
- 14. Nuclei combine, energy released
- 18. Range of radiation types
- 20. Resistance to motion change
- 21. Extremely dense star core
- 23. Gravity trap
- 24. Plot of star properties
- 25. Attraction between masses
Down
- 1. Bright distant galactic core
- 2. Group of recognizable stars
- 3. Large, cool, expanding star
- 4. Explosive star death
- 6. Brightness at 10 parsecs
- 7. Brightness as seen from Earth
- 8. Amount of matter
- 9. Apparent shift in position
- 13. Icy object with tail
- 15. Nebula: Gas and dust cloud
- 16. Brightest night sky star
- 17. Rotating disk of stars
- 19. Burning space debris
- 22. Hot, dense star core