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Pluto's Statistics
Fun Fact: Pluto is sometimes not thought of as a planet because it is so small. Scientists think that it might be the largest body of the Kuiper Belt.
| Name |
Information |
| Mean distance from Sun |
3,687.5 million miles |
| Diameter |
1,441.6 miles |
| Density when Water=1 |
2.05 |
| Surface Temperature |
-223 degrees Celsius |
| Discovery |
1930 |
Inner PLuto
| lowest-highest |
Information |
Composition |
| Core |
makes up most of Pluto |
Rock |
| Middle Layer |
thinner than the core, but thicker than the atmosphere |
Water Ice |
| Atmosphere |
thinnest layer, on the surface |
Methane and polar ice caps on the northern pole; the ice caps change in size with the seasons |
Pluto's Moon- Charon
| Name |
Information |
| Discovery |
discovered in 1978 |
| Diameter |
about 789 miles/1,262.4 kilometer |
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