: the distance from a planet's center within which a satellite can neither approach nor reside without being disrupted by tidal forces
Examples of Roche limit in a Sentence
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All of these rings also sit within the Roche limit.
—
The Physics Arxiv Blog, Discover Magazine, 21 Apr. 2023
Known as the Roche limit, scientists have long believed any object with a gravitational field can't form a ring beyond a certain distance.
—Jordan Mendoza, USA TODAY, 10 Feb. 2023
All the rings around Saturn, for example, lie inside of the planet’s Roche limit.
—Jackie Wattles, CNN, 8 Feb. 2023
That places it outside a key location termed the Roche limit.
—John Timmer, Ars Technica, 8 Feb. 2023
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The Physics Arxiv Blog, Discover Magazine, 21 Apr. 2023
Known as the Roche limit, scientists have long believed any object with a gravitational field can't form a ring beyond a certain distance.
—Jordan Mendoza, USA TODAY, 10 Feb. 2023
All the rings around Saturn, for example, lie inside of the planet’s Roche limit.
—Jackie Wattles, CNN, 8 Feb. 2023
That places it outside a key location termed the Roche limit.
—John Timmer, Ars Technica, 8 Feb. 2023
Cite this Entry
“Roche limit.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Roche%20limit. Accessed 31 Oct. 2025.
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