The Sky at Night

Name: The Sky at Night S53E4 - Herschel in the Red
Uploaded: 2009-04-06
Description: Patrick Moore discusses what Herschel, Europe's biggest and most expensive space satellite, will do once it begins its infrared exploration of the universe. Dr Chris Lintott gets a rare chance to see the Herschel mirror, which at 3.5 metres will be the biggest astronomical mirror ever to be sent into space.