Concept information
Preferred term
Roche lobe
Definition
- The region around a star in a binary system within which orbiting material is gravitationally bound to that star. The point at which the Roche lobes of the two stars touch is called the inner Lagrangian point. (en)
Broader concept
- Three-body problem (en)
Editorial note
URI
http://astrothesaurus.org/uat/1405
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