When did Horizon Season 16 Episode 22 air?
Horizon Season 16 Episode 22 aired on November 19, 1979.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 16 · Episode 22
Darkness Visible
Nov 19, 1979·1h
Horizon examines the development of the relatively new science of x-ray astronomy.
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How long is Horizon Season 16 Episode 22?
This episode runs for approximately 60 minutes.
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