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| Roche lim·it [ ráwsh lìmmit, rṓsh lìmmit ] (plural Roche lim·its) |
noun |
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| Definition: |
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closest satellite can approach astronomical object: the closest a satellite can come to the astronomical object it is orbiting before being destroyed by tidal forces generated by gravity. The distance varies with relative density but is approximately 2.45 times the radius of the primary object.
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| [Late 19th century. After Édouard Roche (1820-1883), French astronomer] |
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