Planets

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Across
  1. 2. Forth planet from the sun.
  2. 3. Second closest planet from the sun.
  3. 6. Closet planet from the sun.
  4. 8. Seventh planet from the sun.
  5. 9. Eighth planet from the sun.
Down
  1. 1. Orbits the sun.
  2. 4. Sixth planet from the sun.
  3. 5. Fifth planet from the sun.
  4. 7. Third planet closest from the sun.
  5. 10. Not a planet anymore.