Assertion: nebula's filament | /r/HasProperty | ionized helium
Facets:
value: with carbon
type: OTHER
value: mainly
type: DEGREE
value: with neon
type: OTHER
value: with iron
type: OTHER
value: with nitrogen
type: OTHER
value: with sulphur
type: OTHER
value: with oxygen
type: OTHER
Source sentences:
text: These filaments are composed mainly of ionized helium and hydrogen together with oxygen, carbon, iron, nitrogen, neon and sulphur.