When did Horizon Season 0 Episode 9 air?
Horizon Season 0 Episode 9 aired on November 25, 1985.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 0 · Episode 9
Halley's Comet - The Apparition
Nov 25, 1985·1h
This report by Horizon looks into how the apparitions of Halley's comet came to be predicted so accurately.
Episode FAQ
Direct answers for episode-level questions and details.
How long is Horizon Season 0 Episode 9?
This episode runs for approximately 60 minutes.
Comments
Comments coming soon
Discuss episodes with other viewers