I have had quite a few questions about how I covered up that giant black hole above the fireplace known to builders as the place to put a TV. (theinspiredroom.net)
The space experiment will be looking for waves with around a ten - thousandth of that frequency, which are believed to be characteristic of events such as stars falling into giant black holes at the centres of galaxies. (newscientist.com)
Rees has made major contributions to modern astrophysics and cosmology, showing, for instance, how accretion discs around giant black holes in the centres of galaxies could power quasars. (newscientist.com)