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: a band of small celestial bodies beyond the orbit of Neptune from which many short-period comets are believed to originate compare oort cloud
Word History
Etymology
Gerald A. Kuiper †1973 U.S. (Dutch-born) astronomer
First Known Use
1988, in the meaning defined above
Dictionary Entries Near Kuiper Belt
Cite this Entry
“Kuiper Belt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Kuiper%20Belt. Accessed 8 Dec. 2022.
More from Merriam-Webster on Kuiper Belt
Britannica English: Translation of Kuiper Belt for Arabic Speakers
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