Assertion: black hole's galaxy | /r/MadeOf | quasar
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Source sentences:
text: This included crucial evidence from optical and X-ray viewing of quasar host galaxies, finding of "intervening" absorption lines, which explained various spectral anomalies, observations from gravitational lensing, Peterson and Gunn's 1971 finding[citation needed] that galaxies containing quasars showed the same redshift as the quasars, and Kristian's 1973 finding[citation needed] that the "fuzzy" surrounding of many quasars was consistent with a less luminous host galaxy.