The Planets

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Across
  1. 3. the sixth planet, has a ring
  2. 5. the eighth planet, the smallest
  3. 6. the first planet closest to the sun
  4. 7. the third planet, our home
Down
  1. 1. the second planet, the hottest
  2. 2. the seventh planet, the coldest
  3. 4. the fifth planet, the largest
  4. 6. the fourth planet, the "Red Planet"