The Planets

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Across
  1. 1. the third planet from the sun
  2. 5. the fourth planet from the sun
  3. 6. the eighth planet from the sun
  4. 7. the fifth planet from the sun
Down
  1. 2. the fourth planet from the sun
  2. 3. the seventh planet from the sun
  3. 4. the sixth planet from the sun
  4. 5. the first planet from the sun