Across
- 3. A small or medium star becomes this when it dies
- 7. These stars burn cooler and live longer
- 9. These stars burn hotter and die sooner
- 11. The Dark Heart of a Galaxy
- 12. Solar system with three stars
Down
- 1. Low-spin galaxies where stars churn
- 2. When a White Dwarf cools
- 4. "The engine of creation"
- 5. Stars fuse this into Helium
- 6. Galaxies with a fast enough spin form
- 8. All stars begin in a
- 9. Solar system with two stars
- 10. Stars arranged from smallest to biggest