astronomical concept From Wikipedia, the free encyclopedia
The Roche limit (pronounced /ˈroʊʃ/), or Roche radius, is a planetary distance.
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Inside the Roche limit, orbiting material will form planetary rings. Outside the limit, material sticks together and forms satellites.[1]
The term is named after Édouard Roche, the French astronomer who first stated it in 1848.[2]
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