Science crossword

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Across
  1. 4. an arangment of stars containing certian stars to create a shape
  2. 5. how bright something is
  3. 6. how bright a star appears to be
  4. 7. the range of how hot or cold something is
  5. 8. looking at something from diffrent views
  6. 9. the length of a wave
  7. 10. how fast light travels in a year
  8. 11. a transfer of energy
  9. 12. how far something is from something else
Down
  1. 1. the range of all possible frequencies of electromagnetic radiation
  2. 2. bottom of a wave
  3. 3. how many waves per second
  4. 9. how fast a wave is going
  5. 13. the top of a wave