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asteroid belt
noun
: the region of interplanetary space between the orbits of Mars and Jupiter in which most asteroids are found
Examples of asteroid belt in a Sentence
Recent Examples on the Web
The Psyche mission aims to reach the main asteroid belt between Mars and Jupiter over a six-year expedition to study a metal-rich asteroid called 16 Psyche, which may contain clues on how the rocky cores of planets like Earth first formed.
—Tara Wu, Smithsonian Magazine, 22 Dec. 2023
The asteroid belt, the Kuiper belt, and the Oort cloud retain memories of the infant Solar System.
—Paul Sutter, Ars Technica, 10 July 2023
Psyche was the 16th asteroid to be discovered and ranks among the dozen most massive objects in the asteroid belt.
—Stephen Clark, Ars Technica, 13 Oct. 2023
The law works for Ceres, which predicted that there should be something in the region of the asteroid belt but failed after the discovery of Neptune.
—Paul M. Sutter, Discover Magazine, 5 Dec. 2023
See all Example Sentences for asteroid belt
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'asteroid belt.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1867, in the meaning defined above
Dictionary Entries Near asteroid belt
Cite this Entry
“Asteroid belt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/asteroid%20belt. Accessed 13 Jun. 2024.
Kids Definition
asteroid belt
noun
: the region of interplanetary space between the orbits of Mars and Jupiter in which most asteroids are found
More from Merriam-Webster on asteroid belt
Britannica.com: Encyclopedia article about asteroid belt
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