Vocab

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Across
  1. 2. Variables- have pulsation periods between 1 to100 days.
  2. 5. unit of length used for distances with solar system
  3. 6. largest type of the black hole
  4. 7. found in halo&bulge
  5. 9. when milkyway has odd shape
  6. 10. stars that have periods of pulsation between 1.5 hours and 1.2 days.
  7. 11. pulsate in brightness.
Down
  1. 1. are in the disk & arms and have small amounts of heavy elements
  2. 3. any very large groups of stars& associated matter found through out the universe.
  3. 4. sphearical region where globular clusters are
  4. 8. bulge- typically made up of nuclear stars
  5. 12. lightyear