Black hole on a diet creates a ‘changing look’ quasar

22 enero 2015

Astronomers have identified the first ‘changing look’ quasar, a gleaming object in deep space that appears to have its own dimmer switch. The discovery may offer a glimpse into the life story of the universe’s great beacons.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/G-99ysLa5Kw/150122114555.htm