What are stars?
How do they evolve and die?
Why do we need general relativity to describe their behaviour?
What are black holes?
What is the astronomical evidence for their existence?
What are gravitational waves?
Can wormholes in space-time exist?
Is the film interstellar feasible?
All these questions and more were answered in Professor Longair’s lecture.
Malcolm Sim Longair CBE FRS FRSE (born 18 May 1941) is a British physicist. From 1991 to 2008 he was the Jacksonian Professor of Natural Philosophy in the Cavendish Laboratory at the University of Cambridge. Since 2016 he has been editor-in-chief of the Biographical Memoirs of Fellows of the Royal Society.