Solar system

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Across
  1. 4. Largest gas giant
  2. 7. Icy moon
  3. 8. Smallest planet
Down
  1. 1. Dwarf planet
  2. 2. A moon of the planet Saturn
  3. 3. A moon of the planet Neptune
  4. 5. Hottest planet in the solar system
  5. 6. The red planet