Planets

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Across
  1. 3. no longer a planet
  2. 4. 7th planet
  3. 6. 5th planet
  4. 8. 1st planet
Down
  1. 1. 6th planet
  2. 2. 2nd planet
  3. 5. 8th planet
  4. 7. 3rd planet
  5. 8. 4th planet