| 单词 | Roche limit |
| 释义 | Roche limit /rohsh/; Fr. /rddawsh/, Astron. 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. [1885-90; named after French astronomer Édouard Roche (1820-83), who first calculated it] |
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