Milky Way Vocab- Jocelyne Galvan

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Across
  1. 3. Old stars with low metallicity found in halos and globular clusters
  2. 4. The galaxy that contains our solar system
  3. 9. A method using emissions from red giant stars to study space
  4. 11. A model explaining spiral arms as moving high-density regions
  5. 14. Groups of young stars formed together
  6. 15. Clouds that reflect nearby starlight
Down
  1. 1. Dense spherical groups of very old star
  2. 2. Young stars with high metallicity found in spiral arms
  3. 5. The first generation of stars with no heavy elements
  4. 6. The part of the sky blocked by the Milky Way’s dust, gas, and stars
  5. 7. Dense clouds that block light from objects behind them
  6. 8. A dense central concentration of stars in a galaxy
  7. 10. A large faint spherical region surrounding a galaxy
  8. 12. Interstellar clouds that glow and emit their own light
  9. 13. A flattened rotating structure made of gas, dust, and stars