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- 1Positional AstronomyJanuary 27, 1974
- 2Saturn And Its SatellitesFebruary 19, 1974
- 3Milky Way & Mars ProbesMarch 30, 1974
- 4Messenger To MercuryApril 24, 1974
- 5Life In The UniverseMay 15, 1974
- 6The Daylight StarJune 17, 1974
- 7The Heart Of The ScorpionJuly 10, 1974
- 8Shooting StarsAugust 7, 1974
- 9Choosing A TelescopeSeptember 4, 1974
- 10Lord Rosse's TelescopeOctober 2, 1974
- 11The Changing Force Of GravityOctober 30, 1974
- 12Eros - The Wanderer In SpaceNovember 26, 1974
- 13The Year Of The PlanetsDecember 18, 1974