Season 17 Episodes13
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Patrick Moore looks forward to a year of spectacular astronomical events: the launching of the Sky-lab earth-orbiting laboratory in May; the longest eclipse of the century in June; the first dual-planet probe to Venus and Mercury in October; and the Copernicus quincentenary celebrations.
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"1973 - an Exciting Year!" is episode 1 of The Sky at Night season 17. It aired on January 8, 1973.