S16·E22 Darkness Visible
Core
Aired November 19, 1979 60 min
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Synopsis
Horizon examines the development of the relatively new science of x-ray astronomy.
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Frequently Asked Questions
When did Season 16 Episode 22 of Horizon air?
Season 16, Episode 22 ('Darkness Visible') originally aired on November 19, 1979.
How long is Season 16 Episode 22 ('Darkness Visible')?
The runtime for this episode is approximately 60 minutes.
What happens in Horizon Season 16 Episode 22?
Horizon examines the development of the relatively new science of x-ray astronomy....
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