Across
- 1. the most average star in the galaxy and closest to earth
- 3. the dimmest star in our galaxy
- 5. stage in life cycle before it explodes
- 6. the brightness of the star
- 9. the life span of stars
Down
- 2. A diagram that shows the luminosity and temperature of stars
- 4. where hydrogen is burned into helium
- 7. how hot the star is
- 8. the brightest star in our galaxy
