Observing the Universe

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Across
  1. 2. actual amount of light a star gives off
  2. 7. the North Star
  3. 10. contains Polaris
  4. 11. a group of stars that forms a picture
  5. 14. amount of starlight received on Earth
Down
  1. 1. color of our Sun
  2. 3. brightest star in the nighttime sky
  3. 4. contains the Big Dipper
  4. 5. one way to determine how far away a star is
  5. 6. one of the hottest stars in the galaxy
  6. 8. constellation named for the Great Hunter
  7. 9. not a true constellation, like the Little Dipper
  8. 12. distance light travels in one year
  9. 13. coolest stars are this color