Planets

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Across
  1. 3. Farthest from the sun
  2. 4. "Red Planet"
  3. 7. 7th planet
  4. 8. Largest planet
Down
  1. 1. Closest to the sun
  2. 2. Hottest planets
  3. 5. Has many rings
  4. 6. Only planet known to support life