The Sky at Night — Episode 8: Infra-Red at Siding Spring

You are watching the episode Infra-Red at Siding Spring Infra-red radiation, often termed 'heat', is an important part of the total range of wavelengths now being studied by astronomers. Striking results have been obtained at the Siding Spring Observatory in Australia. In this programme Patrick Moore talks to Dr David Allen from Siding Spring and shows some of the spectacular new pictures.