Sentences with phrase «central black holes whose»
Other evidence comes from the analysis of modern galaxies, most of which have central black holes whose masses seem to correlate closely with the properties of their host galaxies.
http://discovermagazine.com/ Not exact matches
The object's closest compet itor is in the galaxy NGC 4486B, whose black hole takes up 11 percent of that galaxy's central bulge mass.»
Astronomers have found a relatively tiny galaxy whose black - hole - powered central engine is pouring out energy at a rate equal to that of much larger galaxies, and they're wondering how it manages to do so.
SDSS studies have probed the dark matter environments of quasars through clustering measurements, revealed populations of quasars whose central engines are hidden by obscuring dust, captured changes in quasar spectra that show clouds moving in the gravitational grip of the central black hole, and allowed a comprehensive census of the much fainter accreting black holes (active galactic nuclei, or AGN) in present - day galaxies.