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Simply the Best Documentaries

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Across the Hindu Kush
The Lost Worlds of Planet Earth
Enchanted Kingdom
The Last Reef
Africa the Greatest Show on Earth
Atom: The Key to the Cosmos
Pink Floyd: P. U. L. S. E. Live at Earls Court (II)
The Normans: Men from the North
Ronaldo
WWII In 3D
Adaptation
The Birth of Rock
Fascination Coral Reef
The Persistence of Memory
Why are We Here
Solving the Secrets
Canyonlands
The Secret World of Lewis Carroll
Jason and the Golden Fleece
Petra: Lost City of Stone
Vegan 2017 The Film
D-Day: As it Happens (1)
Did Darwin kill God
Corruption
The Mastery of Flight
JFK: To the Brink
Clash of the Gods:Thor
The Rise and Rise of Bitcoin
Land of Hope and Glory
Conquistadors: The Fall of the Aztecs
What the Health
Just Do It
Meet the Romans: All Roads Lead to Rome
The True Cost
Flight of the Butterflies
The Roof of the World

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Heaven and Hell
Heaven and Hell 1980

Sagan discusses comets and asteroids as planetary impactors, giving recent examples of the Tunguska event and a lunar impact described by Canterbury monks in 1178. It moves to a description of the environment of Venus, from the previous fantastic theories of people such as Immanuel Velikovsky to the information gained by the Venera landers and its implications for Earth's greenhouse effect. The Cosmos Update highlights the connection to global warming.

Category:Science  Duration:01:00:00   Series: Cosmos

 
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