What Are Those Things in the Sky?

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Across
  1. 3. to become less warm
  2. 5. something wrong
  3. 6. to become a shape
  4. 8. being very bad
  5. 11. to speak loudly
  6. 12. always; with no end
  7. 13. not thick
  8. 14. to stop living
Down
  1. 1. something to fix
  2. 2. soft and light
  3. 4. almost always
  4. 7. anything used to help sick people
  5. 9. to give back light
  6. 10. a little drop