It tells us that Pluto, which should properly also be counted to the Kuiper Belt, is not such an unusual object. Maybe we can find even other small planets out there, which could teach us more about how the solar system formed and evolved.

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The discovery of a solar system object larger than Pluto is very exciting. It tells us that Pluto, which should properly also be counted to the Kuiper Belt, is not such an unusual object.

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