Llama. In the show this time we find out about quasars from Dr Alejo Martinez-Sansigre [08:42 - 18:30], and Dr Alastair Edge tells us about the gas between clusters of galaxies [18:30 - 30:29]. Megan rounds up the latest news [01:55 - 08:04] and we hear what we can see in the March night sky from Ian Morison and John Field [37:34 - 56:33].