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Pluto used to be classified as a gas planet, but it is so small
that in August of 2006 scientists decided it is not really big
enough to count as a planet. Pluto is 1485 miles in diameter and our
moon is about 2159 miles in diameter. Even though Pluto isn't
officially a planet, it has a moon called Charon which is half the
size of Pluto. Some scientists think that Pluto might have been one
of Neptune's moons that escaped its orbit.
Things to remember about Pluto:
- It is too small to be considered a planet.
- Pluto is smaller than our moon.
- Pluto is only twice as big as its moon.
- Pluto might have been one of Neptune's moons.
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