The Solar System

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Across
  1. 4. The fourth planet from the sun.
  2. 6. Has the hottest surface temperature
  3. 8. Known as the ice giant planet.
  4. 9. Lumps of rock that broke off from planets long ago.
  5. 10. Smallest gas giant.
Down
  1. 1. Planets that have a solid surface.
  2. 2. The first person to step on the moon.
  3. 3. Planets with gaseous surfaces.
  4. 5. The only star in our solar system.
  5. 7. Only has one moon.