Space Crossword

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Across
  1. 3. number of planets in the solar system
  2. 4. most visible rings of all planets
  3. 6. the red planet
  4. 7. biggest planet in the solar system
  5. 9. the planet we live on
Down
  1. 1. Earth's sister planet
  2. 2. 7th closest planet to the sun
  3. 5. furthest gas giant away from the sun
  4. 6. closest planet to the sun
  5. 8. dwarf planet