Kuiper Belt

Place

Region of the solar system beyond Neptune containing icy bodies and dwarf planets

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Astronomers Suggest Neptune's Moon Nereid May Be a Survivor of Triton's Ancient Arrival

Astronomers Identify Neptune's Moon Triton as Sole Survivor of Ancient Collision Event

Scientists Discover Unexplained Atmosphere on Distant Solar System Object

Astronomers Detect Possible Atmosphere Around Small Icy World Beyond Pluto

NASA Administrator Reignites Debate Over Whether Pluto Should Be Reclassified as a Planet