crossword

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Across
  1. 3. a person who plays a musical instrument
  2. 6. the study of light
  3. 7. the study of the meaning of life and universe
  4. 8. an argument about a particular subject
  5. 11. saw something for the first time
  6. 12. a person who studies stars and planets
  7. 14. the new planet found by Herschel
  8. 15. brought together
Down
  1. 1. an instrument designed to make distant objects appear nearer
  2. 2. a group of singers
  3. 4. a heavenly body with a long tail
  4. 5. patterns made by stars
  5. 9. showing curiosity
  6. 10. someone who is aged between 13 and 19 years
  7. 13. group of soldiers