universe vocab joshua johnson period 3 science

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Across
  1. 2. short electromagnetic waves with nucleus of radioactive atom
  2. 5. a large bright star
  3. 6. distance between one wave and the next
  4. 7. hot ball of gas in space
  5. 8. everything in space
  6. 9. group of stars in space
  7. 10. arrangement of electromagnetic waves
  8. 13. makes colors
Down
  1. 1. cloud of dust in space
  2. 2. middle of the galaxy
  3. 3. when a star explodes
  4. 4. long electromagnetic waves
  5. 5. how fast light in a second
  6. 11. arms the galaxy
  7. 12. energy transfered thought matter an space