With Autumn upon us, astronomers are looking forward to darker nights and the return of winter constellation of Orion. Patrick Moore gives his guide to what to look for over the coming months. Dr Lucie Green visits the autumn equinox star party at Kelling Heath and Chris Lintott talks to one of the founders of modern day cosmology, Professor James Gunn.

Stars are like bells, ringing out into space. Patrick Moore finds out how scientists are making sounds and music from the changes within stars. Chris Lintott steps outside and looks at variable stars, which make up the celestial orchestra.