Have a nice day! In this show we talk to Dr Ronnie Jansson about magnetic fields in space [01:01 - 14:20], Professor Dennis Zaritsky tells us about the evolution of galaxies [14:20 - 26:24] and Professor Andrew MacFadyen talks about the deaths of stars [26:24 - 34:13]. As always, Dr Tim O'Brien answers your astronomical questions [36:11 - 61:54], we report on some odds and ends from the world of (astro)physics and we round up your feedback since the last show.