Across
- 4. Huge, cool stars
- 5. Like the sun, most stars fall here
- 6. Explosion of a large star
- 7. The color of the hottest stars
- 8. So much gravity, atoms collapse
Down
- 1. Small, hot stars
- 2. So much gravity, light can't escape
- 3. This means brightness
- 4. The color of the coolest stars