1970
Episodes
1 Wanderers in Space Jan 12, 1970 2 Orion Jan 27, 1970 3 The Crab Nebula Feb 24, 1970 4 Photography on the Moon Mar 23, 1970 5 When Mercury Crosses the Sun Apr 28, 1970 6 Amateur Astronomers May 26, 1970 7 Steering by the Stars Jun 16, 1970 8 The Moons of Mars Jul 14, 1970 9 Astronomers in the Space Age Aug 25, 1970 10 Moon-quakes! Sep 15, 1970 11 Rockets to the Planet Oct 14, 1970 12 Infra-Red Astronomy Nov 18, 1970 13 Planets of Other Suns Dec 16, 1970