Mapping The Universe

The Sky at Night – Season 49

Man is scanning the night sky and counting stars, galaxies and other solar bodies. Patrick Moore discusses two of the most comprehensive surveys - 2dF and the Sloan Digital Sky Survey - and asks what they tells us about our Universe. Chris Lintott visits the Palomar Observatory in Southern California. Patrck also ventgures into his gardne to look at the Perseids.