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- 1The Approach Of MarsJanuary 13, 1971
- 2Russian And American Space AchievementsFebruary 3, 1971
- 3Sirius The Dog StarMarch 3, 1971
- 4A Black Hole In SpaceApril 1, 1971
- 5Jupiter - The Other Magnetic PlanetApril 27, 1971
- 6Orbiting Space StationsJune 8, 1971
- 7Tracking The StarsJune 30, 1971
- 8How Far Are The Stars?July 21, 1971
- 9Mars Comes CloseAugust 18, 1971
- 10The Life And Death Of A StarSeptember 15, 1971
- 11Kepler - Genius And MysticOctober 13, 1971
- 12Target MarsNovember 17, 1971
- 13A Telescope Comes HomeDecember 7, 1971