The Sky at Night — Episode 4: The Sky in Infra-Red

You are watching the episode The Sky in Infra-Red The Infra-Red Astronomical Satellite, IRAS, operated for most of 1983 and provided important information about subjects ranging from the dusty tails of comets to star formation in remote galaxies. Patrick Moore talks to Dr Jim Emerson of Queen Mary College about these new results and their significance.