1968
Episodes
1 Home-Built Observatories Jan 5, 1968 2 Calendars of Other Worlds Feb 2, 1968 3 The New Planetarium Mar 1, 1968 4 Black Clouds in the Galaxy Mar 29, 1968 5 Flights of Space Fancy Apr 26, 1968 6 A Close Pass by Icarus May 24, 1968 7 The Unquiet Sun Jun 21, 1968 8 Pulsars Jul 19, 1968 9 The Structure of the Moon Aug 16, 1968 10 The Siberian Eclipse of the Sun Sep 9, 1968 11 The Eclipse of the Sun Oct 7, 1968 12 The 'Clocks' of Space Nov 4, 1968 13 Venus, The Hot Planet Dec 2, 1968 14 The Moon and the Earth Dec 30, 1968