When did Horizon Season 43 Episode 5 air?
Horizon Season 43 Episode 5 aired on February 9, 2006.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 43 · Episode 5
Most of Our Universe Is Missing
Feb 9, 2006·1h
Only 4% of our universe is made from stuff we understand. Horizon explores the 96% that is made up of the elusive substance 'Dark Matter'.
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How long is Horizon Season 43 Episode 5?
This episode runs for approximately 60 minutes.
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