The Planets in our solar system

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Across
  1. 2. Closest planet to the sun
  2. 4. The moon titan orbits
  3. 6. Its around 4.5 billion years old
  4. 7. The hottest planet
  5. 9. Used to be apart of the solar system
Down
  1. 1. The coldest planet
  2. 3. The largest planet
  3. 5. Known as the "Red Planet"
  4. 8. Farthest planet from the sun