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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
The Sky at Night
The Sky at Night

   2016    Science
The Making of the Mob
The Making of the Mob

   2016    History
Seven Ages of Rock
Seven Ages of Rock

   2007    Art
Conquest of the Skies
Conquest of the Skies

   2015    Nature
The Secrets of Quantum Physics
The Secrets of Quantum Physics

   2014    Science
Colour The Spectrum of Science
Colour The Spectrum of Science

   2015    Science
Conversations with Dolphins
Conversations with Dolphins

   2016    Science
Life
Life

   2009    Nature