Pluto
 
 
     Pluto is the smallest planet in the solar system. Some scientists
think this planet may have been a satellite of Neptune a long
time ago.  If that is so, Pluto may have been  pulled away by the gravity of still another planet - a planet not yet discovered.
 The diameter at the equator of pluto is 1,420 miles across.
 Pluto is 3,666 million miles away from the sun, and it is -382 degrees Fahrenheit on the surface. A Pluto year is 247.7 Earth years. It takes  6 days and 9 hours in Earth time for a whole day in Pluto time. 
 
 
FUN FACT: Pluto is the only planet not visited by a space probe. There is only one moon, it has an irregular orbit, and it is a frozen dead world.
 
  

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By Brianna