
Three-telescope interferometry allows astrophysicists to observe how black holes are fueled
Scientists were able to detect a ring of hot dust that marks the transition from a more distant mixture of gas and dust in a doughnut-shaped structure to a gaseous disk closer to the black hole. — Published: May 17, 2012Imaged Above: Artist’s view of a dust torus surrounding the accretion disk and the central black hole in active galactic nuclei. Credit: NASA E/PO - Sonoma State University, Aurore Simonnet