Season 1, Episode 4
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.
Runtime: 60 minutes
4.0 / 5
