Halley's Comet - The Apparition S9E9 - Halley's Comet - The Apparition 1985
This report by Horizon looks into how the apparitions of Halley's comet came to be predicted so accurately.
- Released: 1985-11-25
- Runtime: 50 minutes
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This report by Horizon looks into how the apparitions of Halley's comet came to be predicted so accurately.