H-R Diagrams and Galaxies

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Across
  1. 3. scattered stars with no shape or certain size
  2. 5. brightness of the stars
  3. 6. the time it takes from the sun's light to come to the earth
  4. 7. color of the hottest stars
  5. 9. the color of the coolest stars
  6. 10. spectral class types
  7. 11. the distance light travels in one year
  8. 12. the temperature that is used to see the temperature of stars on the hr diagram
Down
  1. 1. oval shaped and cluster of stars in one area
  2. 2. 90% of stars in the universe
  3. 4. the type galaxy we live in
  4. 8. a graph used to measure stars' brightness and temperature