Vocab

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