The Solar System Crosword

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Across
  1. 2. the closest planet to the sun
  2. 5. the path all planets travel
  3. 8. the object all planets orbit around
Down
  1. 1. a dwarf planet
  2. 3. the planet we live on
  3. 4. we only see these at night
  4. 6. Saturn has these
  5. 7. earth has one, other planets have more