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roche limit
释义
WordReference Random House Unabridged Dictionary of American English © 2024
Roche
′
lim′it
(rōsh;
Fr.
r
ôsh),
USA pronunciation
[
Astron.
]
Astronomy
the minimum distance below which a moon orbiting a celestial body would be disrupted by tidal forces or below which a moon would not have formed.
named after French astronomer Édouard
Roche
(1820–83), who first calculated it 1885–90
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更新时间:2026/9/15 0:16:02