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1973
Activity from Friends
1973 - an Exciting Year!
S17 E01 • Monday, Jan 8, 1973 • Jan 8
Practical Work in the Observatory
S17 E02 • Wednesday, Feb 7, 1973 • Feb 7
Sirius - The Brightest Star
S17 E03 • Monday, Mar 19, 1973 • Mar 19
The Eclipse of the Century
S17 E04 • Monday, Apr 2, 1973 • Apr 2
How Big are the Planets?
S17 E05 • Monday, Apr 30, 1973 • Apr 30
The Colours of the Stars
S17 E06 • Monday, Jun 4, 1973 • Jun 4
The African Eclipse
S17 E07 • Wednesday, Jul 11, 1973 • Jul 11
Navigational Astronomy
S17 E08 • Wednesday, Aug 1, 1973 • Aug 1
Venus - A Cratered World
S17 E09 • Wednesday, Aug 22, 1973 • Aug 22
The Moon Illusion
S17 E10 • Tuesday, Sep 18, 1973 • Sep 18
The Volcanoes of Mars
S17 E11 • Wednesday, Oct 17, 1973 • Oct 17
When Mercury Crosses the Sun
S17 E12 • Wednesday, Nov 7, 1973 • Nov 7
Pioneer to Jupiter
S17 E13 • Wednesday, Dec 12, 1973 • Dec 12
1973
1973 • 13 Episodes
Activity from Friends
1973 - an Exciting Year!
S17 E01 • Monday, Jan 8, 1973 • Jan 8
Practical Work in the Observatory
S17 E02 • Wednesday, Feb 7, 1973 • Feb 7
Sirius - The Brightest Star
S17 E03 • Monday, Mar 19, 1973 • Mar 19
The Eclipse of the Century
S17 E04 • Monday, Apr 2, 1973 • Apr 2
How Big are the Planets?
S17 E05 • Monday, Apr 30, 1973 • Apr 30
The Colours of the Stars
S17 E06 • Monday, Jun 4, 1973 • Jun 4
The African Eclipse
S17 E07 • Wednesday, Jul 11, 1973 • Jul 11
Navigational Astronomy
S17 E08 • Wednesday, Aug 1, 1973 • Aug 1
Venus - A Cratered World
S17 E09 • Wednesday, Aug 22, 1973 • Aug 22
The Moon Illusion
S17 E10 • Tuesday, Sep 18, 1973 • Sep 18
The Volcanoes of Mars
S17 E11 • Wednesday, Oct 17, 1973 • Oct 17
When Mercury Crosses the Sun
S17 E12 • Wednesday, Nov 7, 1973 • Nov 7
Pioneer to Jupiter
S17 E13 • Wednesday, Dec 12, 1973 • Dec 12