Assertion: quasar | /r/HasProperty | characterized by luminous core source
Facets:
value: for quasars
type: TRANSITIVE-OBJECT
value: with a blue continuum
type: OTHER
value: with strong, broad emission lines
type: OTHER
value: very
type: DEGREE
value: with strong x-ray emission
type: OTHER
Source sentences:
text: Quasars are characterized by a very luminous core source, with a blue continuum and strong, broad emission lines, strong X-ray emission, and, for quasars proper, strong radio emission, either from the core itself or from a double radio source much like that around RADIO GALAXIES.