The Sky at Night — Episode 10: Cool Stars Matter

You are watching the episode Cool Stars Matter Iras (the Infrared Astronomical Satellite), which operated for much of 1983, provided a great deal of information on aspects such as the presence of cool, possibly planet forming, material around stars like Vega. Iso (the Infrared Space Observatory) is now performing well. Dr Helen Walker of Rutherford-Appleton Laboratory joins Patrick Moore to give the latest news on the probe.