Hannah's puzzle you will never be able to finish

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Across
  1. 3. you don't know anything
  2. 6. this is the only time you are happy
  3. 7. what planet is closet to the sun
  4. 10. what's the point of having bombs
  5. 11. this planet has a ring around
  6. 14. a circumstance
  7. 15. the hottest planet
Down
  1. 1. why does school exist
  2. 2. what's after mulan and what is that called
  3. 4. you don't have to
  4. 5. facts facts and more facts
  5. 8. mother of all planets
  6. 9. what's the point of your eyes
  7. 12. 1+1=answer
  8. 13. 7th farthest from the sun