Assertion: asteroid belt's object | /r/HasProperty | composed of ice
Facets:
value: mostly
type: DEGREE
Source sentences:
text: The least dense objects are thought to be largely composed of ice and have significant porosity.
text: The Kuiper belt is a great ring of debris similar to the asteroid belt, but consisting mainly of objects composed primarily of ice.
text: Beyond Neptune's orbit lie the Kuiper belt and scattered disc, which are populations of trans-Neptunian objects composed mostly of ices, and beyond them a newly discovered population of sednoids.