When did Horizon Season 30 Episode 9 air?
Horizon Season 30 Episode 9 aired on March 1, 1993.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 30 · Episode 9
Here Be Monsters
Mar 1, 1993·1h
This documentary by Horizon looks at how the Hubble space telescope is uncovering evidence of black holes in our distant galaxies.
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How long is Horizon Season 30 Episode 9?
This episode runs for approximately 60 minutes.
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