Across
- 3. The diagram that shows the luminosity and temperature of stars
- 6. where hydrogen burns into helium
- 8. the brightness of a star
- 9. a sphere of plasma that is held together by its own gravity
- 10. the dimmest stars in our galaxy
Down
- 1. the most average star in our galaxy and closest to the earth
- 2. the brightest stars in our galaxy
- 4. the stage in the life cycle before the star explodes
- 5. the life span of stars
- 7. how hot or cold the star is and also determines the color of the star