Crossword puzzle on the solar system

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Across
  1. 2. The red planet.
  2. 5. farthest planet from the sun.
  3. 6. Our Galaxy
  4. 7. Largest planet in the Solar system.
Down
  1. 1. Seventh planet in the solar system.
  2. 3. Smaller bodies in orbit around the sun.
  3. 4. The star at the center of the Solar system.
  4. 6. The smallest planet in the Solar system.