Solar system

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Across
  1. 4. The star in the center of the solar system
  2. 5. The 7th planet from the sun
  3. 7. the 8th planet from the sun
  4. 9. The 5th planet from the sun
Down
  1. 1. a region of space influenced by the sun's gravity
  2. 2. the 2nd planet from the sun
  3. 3. The 3rd planet from the sun
  4. 4. The 6th planet from the sun
  5. 6. The 1st planet from the sun
  6. 8. The 4th planet from the sun