The Sky at Night (1957) | Season 21
1 Sirius, the Dog-Star
- 1977-01-17
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2 Travel in Space and Time
- 1977-02-17
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3 The Mapping of Mercury
- 1977-03-16
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4 Celebrates its 20th anniversary
- 1977-04-20
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5 The Solar Cycle
- 1977-05-18
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6 Uranus - the Second Ringed Planet?
- 1977-06-15
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7 The New Infra-red Telescope
- 1977-07-20
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8 The Swan in the Sky
- 1977-08-10
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9 The Voyager Missions
- 1977-09-07
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10 Stars of the Far South
- 1977-09-28
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11 The Amateur Astronomer
- 1977-10-24
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12 Why Do the Planets Shine?
- 1977-11-23
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13 Suns, Space-ships, and Bug-eyed Monsters
- 1977-12-14
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