outer planets crossword puzzle

123456789
Across
  1. 4. layers of clouds
  2. 6. gas giants
  3. 7. 4th outer planet
  4. 9. 2nd outer planet
Down
  1. 1. gas clouds
  2. 2. a core made of rock
  3. 3. divides inner and outer planets
  4. 5. 1st outer planet
  5. 8. 3rd outer planet