Inner and Outer Planets Stations

123456789
Across
  1. 2. Gas giant
  2. 4. a wall for planets
  3. 6. farther from the sun
  4. 8. planets like earth
  5. 9. are closer to the sun
Down
  1. 1. what is the sun
  2. 3. earth´s sister
  3. 5. Known as the Red planet
  4. 6. what does the moon do
  5. 7. nearest to the sun