Planets

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Across
  1. 1. Hottest planet
  2. 5. Seventh plant from the Sun
  3. 6. Named after the Roman God of the sea
  4. 8. Closest planet to the Sun
Down
  1. 2. Large rings
  2. 3. Largest planet
  3. 4. The Red planet
  4. 7. Only known planet with life