...and the 2020 Nobel Prize in Physics goes to  - Black Hole Research - split three ways. 50% to Roger Penrose and his "robust prediction of  Einstein's general theory of relativity".  Andrea Ghez and Reinhard Genzel shared the rest for finding "a supermassive compact object at the centre of our galaxy". Dr Karl probes Prof. Lewis on what this means and why Black Holes have glowing rings. 

www.geraintflewis.com http://drkarl.comhttps://www.nobelprize.org/prizes/physics/2020/summary/