Don Pollacco
Professor of Astronomy at the University of Warwick
2 episodes
Covers topics in categories such as:
Exoplanets
Melvyn Bragg and guests discuss exoplanets, planets detected outside our solar system.
3 October 2013
Also featuring: Carolin Crawford, Suzanne Aigrain
Comets
Melvyn Bragg and his guests discuss comets, the 'dirty snowballs' of the solar system which orbit the sun.
17 January 2013
Also featuring: Monica Grady, Paul Murdin