Assertion: planet's ring | /r/HasProperty | narrow
Facets:
value: very
type: DEGREE
value: a phenomenon normally associated
type: OTHER
Source sentences:
text: Furthermore, the suspected rings are thought to be narrow, a phenomenon normally associated with shepherd moons.
text: Neptune, like all the Jovian planets have rings discovered from 1984, but their existence has been confirmed by Voyager 2 in 1989, 3 key rings very narrow and dark orbit around the planet.