Assertion: quasar | /r/HasProperty | strong x-ray sources
Facets:
Source sentences:
text: Like all (unobscured) active galaxies, quasars can be strong X-ray sources.
text: a member of any of several classes of astronomical bodies, including quasars (strong radio sources) and quasi-stellar galaxies (no traceable radio emission), both of which have exceptionally large red shifts
text: Like all (unobscured) active galaxies, quasars can be strong X-ray sources.
text: Like all (unobscured) active galaxies, quasars can be strong X-ray sources.
text: Some quasars (quasi-stellar objects, or QSOs) are strong radio sources.