Across
- 4. Explosive death of a star
- 6. Related to the Sun
- 7. Ice and dust celestial body
- 8. Natural satellite of a planet
- 9. Path of a celestial body around another
- 11. Small celestial body type
- 14. Rotating neutron star emitting beams
- 15. Blocking of one celestial body by another
- 17. Birthplace of stars
- 18. Where the sky meets the Earth
- 19. Our galaxy
- 20. Rocky object orbiting the Sun
Down
- 1. Group of stars forming a pattern
- 2. Space rock entering Earth's atmosphere
- 3. Collection of stars and gas
- 5. Celestial body orbiting a star
- 10. Region of space with gravity so strong
- 12. Distant, energetic celestial object
- 13. Point directly above an observer
- 16. When day and night are of equal length