Across
- 3. Cloud of gas and dust
- 4. Highest wavelength color
- 6. Stars live longer
- 7. Kind of galaxy with spiral arms
- 8. Baby Star
- 9. Kind of galaxy with a weird shape
- 12. Highest frequency ray
- 13. Stars burn out faster
Down
- 1. Lowest wavelength color
- 2. Star explosion
- 5. Kind of galaxy with an oval shape
- 6. Star is closest to us
- 10. Lowest frequency ray
- 11. Massive stars collapse into