The Planets

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Across
  1. 2. blue planet
  2. 4. most likely future human habitat
  3. 5. the largest planet in the solar system
  4. 6. named after the Roman goddess of beauty
Down
  1. 1. planet known for its rings
  2. 3. the furthest planet from the sun
  3. 4. the closest planet to the sun
  4. 7. the fifth largest planet