: a band of small celestial bodies beyond the orbit of Neptune from which many short-period comets are believed to originate compare oort cloud
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Some of the strongest evidence that points to the existence of a planet within the outskirts of the solar system is the activity within the Kuiper Belt, an unusual clustering of icy bodies -- including comets and dwarf planets -- which stretches from Neptune and outward toward interstellar space.
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Julia Jacobo, ABC News, 2 May 2025
The reason for this was that, since Pluto was first discovered in 1930, many other similar worlds have also been discovered in the icy Kuiper Belt that encircles the sun.
—Ian Randall, MSNBC Newsweek, 1 May 2025
With small nuclear fission reactors — and perhaps fusion power plants — Jupiter's moons Ganymede and Callisto, Saturn's moon Titan, Neptune's moon Triton and the whole Kuiper Belt may come into range.
—Dave S. Brody, Space.com, 26 Mar. 2025
For context, the distance from the sun to the end of the Kuiper Belt that extends far beyond Neptune is only about 50 AU.
—Monisha Ravisetti, Space.com, 14 Mar. 2025
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Julia Jacobo, ABC News, 2 May 2025
The reason for this was that, since Pluto was first discovered in 1930, many other similar worlds have also been discovered in the icy Kuiper Belt that encircles the sun.
—Ian Randall, MSNBC Newsweek, 1 May 2025
With small nuclear fission reactors — and perhaps fusion power plants — Jupiter's moons Ganymede and Callisto, Saturn's moon Titan, Neptune's moon Triton and the whole Kuiper Belt may come into range.
—Dave S. Brody, Space.com, 26 Mar. 2025
For context, the distance from the sun to the end of the Kuiper Belt that extends far beyond Neptune is only about 50 AU.
—Monisha Ravisetti, Space.com, 14 Mar. 2025
See All Example Sentences for Kuiper Belt
Cite this Entry
“Kuiper Belt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Kuiper%20Belt. Accessed 11 May. 2025.
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