planets

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Across
  1. 3. the first of the planet
  2. 5. the seventh of the planet
  3. 9. the sixth of the planet
Down
  1. 1. the forth of the planet
  2. 2. the fifth of the planet
  3. 4. make the planet warm except planet number7 and planet number8
  4. 6. the eighth of the planet
  5. 7. the second
  6. 8. the third of the planet