The Sky at Night — 1971

E01 The Approach of Mars 13 Jan 1970 E02 Things are Seldom What They Seem 03 Feb 1971 E03 Sirius, the Dog-Star 03 Mar 1970 E04 A Black Hole in Space? 01 Apr 1971 E05 Jupiter - the Other Magnetic Planet 27 Apr 1971 E06 Orbiting Space-Stations 08 Jun 1971 E07 Tracking the Stars 30 Jun 1971 E08 How Far Are the Stars? 21 Jul 1971 E09 Mars Comes Close 18 Aug 1971 E10 The Life and Death of a Star 15 Sep 1971 E11 Kepler, Genius and Mystic 13 Oct 1971 E12 Mars 17 Nov 1971 E13 The Royal Observatory Telescope 07 Dec 1971