Assertion: iron quasar | /r/CapableOf | show strong emission lines
Facets:
Source sentences:
text: Iron quasars show strong emission lines resulting from low-ionization iron (Fe II ), such as IRAS 18508-7815.
text: Iron quasars show strong emission lines resulting from low ionization iron (FeII), such as IRAS 18508-7815.
text: Iron quasars show strong emission lines resulting from low ionization iron (FeII), such as IRAS 18508-7815.