Assertion: quasar's spectra | /r/MadeOf | broad emission lines
Facets:
value: unlike any known from stars
type: OTHER
value: very
type: DEGREE
Source sentences:
text: Their spectra contain very broad emission lines, unlike any known from stars, hence the name "quasi-stellar.
text: Their spectra contain very broad emission lines, unlike any known from stars, hence the name "quasi-stellar.