Sorry, this episode is not currently available on BBC iPlayer Radio


Adam Walton meets astronomer Prof Richard Ellis of the California Institute of Technology, born and raised in Colwyn Bay.

Release date:

30 minutes

Last on

Sat 25 Jun 2011 06:30

Adam Walton

Adam Walton

Adam's "other job" - tune in every Saturday at 10 PM for the best new music from Wales.