Across
- 3. sphearical region where globular clusters are
- 7. any very large groups of stars and associated matter found throughout the universe
- 8. pulsate in brightness
- 11. have pulsation periods between 1-100 days
- 12. stars found in halo and bulge
Down
- 1. tipically made up of nuclear stars
- 2. largest type of blackhole
- 4. when milkyway has odd shape
- 5. stars in the disk and arms and have small amounts of heavy elements
- 6. stars that have period of pulsation between 1.5 hours and 1.2 day
- 9. unit of length used for distances
- 10. lightyear