20 Questions With The Astronomer Royal

Martin Rees - or Baron Rees of Ludlow - is one of the most distinguished scientists of his generation anywhere in the world. A former President of the Royal Society (2005-10) and Master of Trinity College Cambridge (2004-12), Martin is the 15th Astronomer Royal since the role was created in 1675.  If you ever wonder whether there might be life out there somewhere; how a black hole the size of an atom can contain the mass of a large mountain; what happened before the Big Bang; whether we live in a multiverse; whether astronauts are a waste of money; how we can fix the looming problem of space 'pollution'; what the significance of exoplanets is, or what the future of human beings on Mars might look like, this podcast is for you.