Describes Pluto and other Kuiper Belt Objects--bodies of rock and ice beyond Pluto, including the dwarf planets Eris and Sedna--and discusses planets around other stars and space probes sent to the farthest reaches of the solar system.Describes Pluto and other Kuiper Belt Objects--bodies of rock and ice beyond Pluto, including the dwarf planets Eris and Sedna--and discusses planets around other stars and space probes sent to the farthest reaches of the solar system.
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