The Sky at Night - 60th Anniversary Special How our knowledge of the universe has been transformed in the last 60 years, with contributions from Jim Al-Khalili, Dallas Campbell and Monica Grady. Full description. - http://www.bbc.co.uk/iplayer/episode/b08nddnb/the-sky-at-night-60th-anniversary-special *BBC Iplayer - UK playback only.