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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
Science and Islam
Science and Islam

   2017    History
Earth from Space
Earth from Space

   2018    Nature
In Search of
In Search of

   2018    Culture
Inner Worlds Outer Worlds
Inner Worlds Outer Worlds

   2012    Culture
The Gene Code
The Gene Code

   2011    Science
The Sky at Night
The Sky at Night

   2018    Science
Inside the Medieval Mind
Inside the Medieval Mind

   2008    History
Life
Life

   2009    Nature