Solar System crossword

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Across
  1. 3. This is the furthest planet
  2. 5. This is the only planet with life
  3. 6. This is the fourth planet from the sun
  4. 7. This is the only planet with a ring
Down
  1. 1. This is the largest planet
  2. 2. This planet is second from the sun
  3. 4. This is the coldest planet
  4. 6. This is the smallest planet