The Sky at Night the 55 years of Moore's tenure that he did not host the programme. Brian May, the Queen guitarist and astrophysicist, has been a guest on the show from time to time. On 1 April 2007, Moore presented the 50th Anniversary edition of the show, a special "time travel" edition which included the appearance of Jon Culshaw as Moore's younger self. The 50th anniversary programme was filmed at Teddington Studios as the 1957 home of the programme, Lime Grove Studios, had been demolished in 1992. On 6 March 2011, Moore presented the 700th edition of the show, a special retrospective episode
The Sky at Night Lucie Green and Chris Lintott. Since December 2013 Maggie Aderin-Pocock has been a presenter. The programme's opening and closing theme music is "At the Castle Gate", from the incidental music to "Pelléas et Mélisande", written in 1905 by Jean Sibelius, performed by the Royal Philharmonic Orchestra and conducted by Sir Thomas Beecham. The programme covers a wide range of general astronomical and space-related topics. Topics include stellar life cycles, radio astronomy, artificial satellites, black holes, neutron stars and many others. The programme also covers what is happening in the night sky at the time it is being broadcast, especially when