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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
Cooked

Cooked

2016  Culture
Ancient Greece

Ancient Greece

2013  History
Space Deepest Secrets

Space Deepest Secrets

2019  Science
Human: The World Within

Human: The World Within

2021  Medicine
Secrets of the Universe

Secrets of the Universe

2022  Technology
Wonders Of The Universe

Wonders Of The Universe

2011  Science
The Mind Explained

The Mind Explained

2019  Medicine