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Pluto is the seventh
planet from the Sun. Pluto was discovered in 1930. It is the smallest
and farthest planet from the Sun. It has one moon Charon. Charon was discovered
in 1978.
Pluto is normally the ninth
planet from the Sun, but for twenty years during its orbit it goes
inside Neptune's orbit. Pluto is now the ninth planet but was the eighth
planet during part of the 70s all of the 80s and until 1999.
Little is known
about Pluto, because it so far away. Maybe someday NASA will send more
probes to the outer planets and learn more about the ninth planet.
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Quick
Facts
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Length of day:
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about
6 Earth days |
| Length
of year: |
about
248 Earth days |
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Diameter: |
about
2000 miles |
| Temperature: |
about
-350°F |
| Moons: |
1 |
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Average speed: |
3
miles per second |
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Average distance from Sun: |
3
billion,66 million miles |
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