Solar System (basic)

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Across
  1. 3. dwarf planet in Kuiper belt
  2. 4. dwarf planet in asteroid belt
  3. 6. Phobos and Deimos orbit it
  4. 7. windy gas giant
Down
  1. 1. closest planet to Earth
  2. 2. biggest planet
  3. 5. ringed planet
  4. 6. small terrestrial planet