In this month's bonus episode Izzie, Dr Becky Smethurst and Dr Robert Massey tackle questions on pulsars, woo woo sounds from black holes, imperfect spheres and alien aurorae. Send your questions to: podcast@ras.ac.uk, and we’re also on instagram @SupermassivePod. 

The Supermassive podcast is produced by Izzie Clarke and Richard Hollingham and is a Boffin Media production for the Royal Astronomical Society.