Outer Planets

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Across
  1. 5. 7th planet from the sun
  2. 6. part of atmosphere
  3. 7. coldest planet
  4. 8. largest planet
  5. 9. dwarf planet
Down
  1. 1. gas giants
  2. 2. made up of many deep layers
  3. 3. has no moons
  4. 4. has rings around it
  5. 6. has many asteroids