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Horizon

Season 43 · Episode 5

Most of Our Universe Is Missing

6.51h 0mFebruary 9, 2006

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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Episode 1Space Tourists
Episode 2Waiting for a Heartbeat
Episode 3A War on Science
Episode 4The Lost City of New Orleans
Episode 5Most of Our Universe Is Missing
Episode 6Winning Gold in 2012
Episode 7The Woman Who Thinks Like a Cow
Episode 8The Genius Sperm Bank
Episode 9Bye Bye Planet Pluto
Episode 10We Love Cigarettes
Episode 11Nuclear Nightmares
Episode 12Tutankhamun's Fireball
Episode 13Survivors Guide to Plane Crashes
Episode 14Chimps are People Too
Episode 15The Worlds First Face Transplant
Episode 16Human v2.0
Episode 17The Great Robot Race
Episode 18Pandemic
Episode 19We are the Aliens