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Heaven and Hell

   1980    Science
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.
Series: Cosmos
Life
Life

   2009    Nature
Dirty Money
Dirty Money

   2018    Culture
Survivors Guide to Prison
Survivors Guide to Prison

   2018    Culture
Through the Wormhole Season 5
Through the Wormhole Season 5

   2014    Nature
A History of Christianity
A History of Christianity

   2011    History
Triumph of Life
Triumph of Life

   2006    Nature
Inside the Medieval Mind
Inside the Medieval Mind

   2008    History