Horizon

Season 43 Episode 5: Most of Our Universe Is Missing

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'.

Genre:

Documentary

Seasons:

62

Episodes:

1174

Cast:

Quality:

HD

Duration:

60 min

First Air:

1964

Rating:

7.5