Roche limit

noun
\ ˈrȯsh- How to pronounce Roche limit (audio) , ˈrōsh- \

Definition of Roche limit

: the distance from a planet's center within which a satellite can neither approach nor reside without being disrupted by tidal forces

First Known Use of Roche limit

1889, in the meaning defined above

History and Etymology for Roche limit

E. A. Roche †1883 French mathematician

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The first known use of Roche limit was in 1889

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Cite this Entry

“Roche limit.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Roche%20limit. Accessed 31 Jul. 2021.

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