Season 16 Episodes13
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The Sky at Night with Patrick Moore started on 24 April 1957. In tonight's special edition, Patrick Moore looks back, with Commander Henry Hatfield, at the astonishing changes and advances in astronomical knowledge since 1957. He discusses recent developments in 'invisible astronomy' with Professor Anthony
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"Fifteenth Anniversary" is episode 5 of The Sky at Night season 16. It aired on April 12, 1972.