Stars

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Across
  1. 5. A diagram used for stars
  2. 7. brightness of a star
  3. 8. the color of the coolest star
Down
  1. 1. the apparent visual magnitude
  2. 2. measurement of the brightness of a star
  3. 3. The color of stars determines the ___________
  4. 4. A band of stars that fuse hydrogen into helium
  5. 6. the color of the hottest star