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Roche limit

noun

ˈrȯsh- How to pronounce Roche limit (audio)
ˈrōsh-
: the distance from a planet's center within which a satellite can neither approach nor reside without being disrupted by tidal forces

Word History

Etymology

E. A. Roche †1883 French mathematician

First Known Use

1889, in the meaning defined above

Time Traveler
The first known use of Roche limit was in 1889

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