: 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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Applying some statistics to the data, the team found the solid nuclei of the exocomets ranged from 1 to 7 km in diameter, in a size distribution similar to that of solar system comets in the Kuiper Belt, a region of icy bodies that extends some ways out past Neptune.
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Phil Plait, Scientific American, 20 Nov. 2025
New Horizons later went on to study the Kuiper Belt object Arrokoth in 2019 and is now working to gather heliophysics data while enroute to interstellar space, which it is expected to reach sometime in the 2040s.
—Anthony Wood, Space.com, 25 Oct. 2025
Once Rubin’s data comes in, astronomers should gain a much sharper picture of whether the Kuiper Belt’s tilt points to additional planets lurking far beyond Neptune.
—Jacopo Prisco, CNN Money, 3 Oct. 2025
Just last year, scientists announced the news that New Horizons found the Kuiper Belt—a vast outer zone of hundreds of thousands of small, icy worlds beyond the orbit of Neptune—might extend much farther out than previously thought.
—Stephen Clark, ArsTechnica, 12 Sep. 2025
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Phil Plait, Scientific American, 20 Nov. 2025
New Horizons later went on to study the Kuiper Belt object Arrokoth in 2019 and is now working to gather heliophysics data while enroute to interstellar space, which it is expected to reach sometime in the 2040s.
—Anthony Wood, Space.com, 25 Oct. 2025
Once Rubin’s data comes in, astronomers should gain a much sharper picture of whether the Kuiper Belt’s tilt points to additional planets lurking far beyond Neptune.
—Jacopo Prisco, CNN Money, 3 Oct. 2025
Just last year, scientists announced the news that New Horizons found the Kuiper Belt—a vast outer zone of hundreds of thousands of small, icy worlds beyond the orbit of Neptune—might extend much farther out than previously thought.
—Stephen Clark, ArsTechnica, 12 Sep. 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 30 Nov. 2025.
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