Assertion: rhea | /r/HasAspect | tenuous ring system
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Source sentences:
text: Rhea may also have a tenuous ring system, although this has not been confirmed.
text: On March 6, 2008, NASA announced that Rhea may have a tenuous ring system.
text: Rhea may also have a tenuous ring system, which was inferred based on observed changes in the flow of electrons trapped by Saturn’s magnetic field.