The Light Side. In the show this time, Prof. Philippa Browning tells us about the upcoming National Astronomy Meeting and solar physics in the JodBite [2:07 - 15:52], we talk to Prof. Tom Shanks about cosmological theories that avoid the need for dark matter and dark energy [16:06 - 31:35] and Dr Cristiano Sabiu discusses how to study the large-scale Universe using observation and theory [31:47 - 39:14]. Your astronomical questions are answered by Dr Tim O'Brien [49:13 - 69:23] and we round up some odds and ends from the sphere of astronomy.