The solar system

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Across
  1. 3. Smallest planet in the solar system.
  2. 6. What planet is farthest away from the sun.
  3. 7. Warmest planet in the solar system.
  4. 9. Second smallest planet in the solar system.
Down
  1. 1. The largest planet in our solar system.
  2. 2. Second largest planet in the solar system.
  3. 4. First planet found with a telescope.
  4. 5. What is the name of the star which everything in the solar system orbits.
  5. 8. The only known planet to have life