RExA

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Across
  1. 5. a living creature from outer space
  2. 7. to disagree with
  3. 8. a statement where one tries to convince others that he is correct
  4. 11. not using time or resources in the best way
  5. 12. a very large group of stars and planets
  6. 13. not inside a building
  7. 14. all of space, the stars and planets
Down
  1. 1. (used to add information) also and more importantly
  2. 2. to say something is true, but cannot prove it
  3. 3. a special event
  4. 4. to keep someone or something in one's mind for a long time
  5. 6. very deep
  6. 9. to think that something is true, correct, or real
  7. 10. a living thing