The Sky at Night — Episode 9: Back to Basics - Into Deep Space

You are watching the episode Back to Basics - Into Deep Space In the previous programme, Patrick Moore and Chris Lintott discussed some of the often unfamiliar terms used by astronomers. They concentrated upon terms relating to our own local part of the Universe. This evening they range further, and discuss terms such as galaxies, nebulae, black holes and the Hubble Constant.