Black holes are the most extreme objects in the universe yet every galaxy has one at its centre. Buy Chris' book "Einstein's Monsters: The Life and Times of Black Holes" : https://geni.us/NL3M8Hu

Chris Impey explores the questions this profound discovery can help answer and the role black holes have played in theoretical physics.

Chris Impey is a University Distinguished Professor and deputy head of the astronomy department at the University of Arizona. His research has been supported by $18 million in grants from NASA and the National Science Foundation, and he has had 24 projects given time on astronomy's premier research facility, the Hubble Space Telescope.

This talk was filmed in the Ri on 9 May 2019.