Pluto is the smallest planet and it's usually the farthest planet from the sun. As it stands right now, Pluto is the farthest planet from the sun. Pluto even smaller than our moon. Many scientists think Pluto is really a big asteroid or a comet not a planet. For now at least, Pluto is still officially classified as a planet.
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Properties of Pluto | |
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Mass | 1.3 |