Across
- 3. Doctors use it
- 5. Brightness as observed from earth
- 7. Shows Classification of stars
- 11. Rainbow that provides information about a star
- 12. A world of color
- 14. Distance light travels in a year
- 15. Sunburns
- 16. The complete range of all types of radiation
- 17. Stars much brighter than main sequence stars
Down
- 1. The biggest stars on the HR Diagram
- 2. Always Harmful
- 4. Dark Lines that show composition of stars
- 6. Bright lines that show elements in stars
- 8. Lowest Frequency Light
- 9. Intrinsic Brightness
- 10. Major Class of stars
- 13. Stellar Core Remnants