Cosmos: A Personal Voyage

Season 1, Episode 4

Episode Title: Heaven and Hell

Air Date: 1980-10-19

Overview:

A descent through the hellish atmosphere of Venus to explore its broiling surface serves as a warning to our world about the possible consequences of the increasing greenhouse effect. Then Dr. Sagan leads us on a tour of our solar system to see how other heavenly bodies have suffered from various cosmic catastrophes.