1970 aired between 12 Jan 1970 and 16 Dec 1970, 13 episodes.
Episodes
E01
Wanderers in Space
12 Jan 1970
E02
Orion
27 Jan 1970
E03
The Crab Nebula
24 Feb 1970
E04
Photography on the Moon
23 Mar 1970
E05
When Mercury Crosses the Sun
28 Apr 1970
E06
Amateur Astronomers
26 May 1970
E07
Steering by the Stars
16 Jun 1970
E08
The Moons of Mars
14 Jul 1970
E09
Astronomers in the Space Age
25 Aug 1970
E10
Moon-quakes!
15 Sep 1970
E11
Rockets to the Planet
14 Oct 1970
E12
Infra-Red Astronomy
18 Nov 1970
E13
Planets of Other Suns
16 Dec 1970