Assertion: cosmic dust's material | /r/HasProperty | silicate
Facets:
Source sentences:
text: A typical interstellar grain is thought to consist of a core of rocky material (silicates) or graphite, surrounded by a mantle of ices.
text: A typical interstellar grain is thought to consist of a core of rocky material (silicates) or graphite, surrounded by a mantle of ices.