Astronomy Crossword Puzzle

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Across
  1. 2. we are nowhere close to the middle of the ________
  2. 5. There is/are _______ universe
  3. 6. The closest planet to the sun is ______
  4. 7. _______ is the biggest planet
  5. 8. The coldest planet is __________
  6. 11. The planet that spins on it's side is _______
Down
  1. 1. The planet with the most rings is ________
  2. 3. ______ is the hottest planet
  3. 4. _______is the farthest planet from the sun
  4. 9. The only star in our universe is the _______
  5. 10. ______ is the only planet known to have life