Glorious Galaxies

Look into the night sky and even with the naked eye you can pick out our nearest galactic neighbour, Andromeda, just one of the billions of systems which make up our Universe. Patrick Moore discusses how galaxies are formed and investigates just how we can trace their mysterious dark matter.Chris Lintott takes his telescope outside to give advice on where to find the brightest and the best galaxies, and what to look for.