Crossword review ch 10

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Across
  1. 1. Highest part of a wa
  2. 4. Unit that scientist use to measure stars.
  3. 8. a stars brightness as it appears on earth
  4. 10. parallex The apparent shift in the position of stars
  5. 11. The instrument that finds the apparent brightness of a star
  6. 12. the length of a wave
Down
  1. 2. lowest part of a wave
  2. 3. speed the speed of a wave
  3. 4. the energy temp of stars
  4. 5. the law we use to find the distance of far away stars
  5. 6. How fast a wave is moving
  6. 7. Length of time that a star cycles take place
  7. 9. spectrum a chart that shows differnt types of waves