Across
- 3. Comet
- 6. Nebulae
- 8. Diagram Hertzsprung-Russell Diagram
- 9. Shift Blue Shift
- 12. Way Galaxy Milky Way Galaxy
- 13. Magnitude Apparent Magnitude
- 17. Asteroid
- 18. Spectrum Electromagnetic Spectrum
- 19. Sun
- 20. Galaxy Spiral Galaxy
Down
- 1. Magnitude Absolute Magnitude
- 2. Shift Red Shift
- 4. Class Spectral Class
- 5. Luminosity
- 7. Frequency
- 10. Universe
- 11. Galaxy Elliptical Galaxy
- 14. Planet
- 15. Galaxy Irregular Galaxy
- 16. Star