4. Heaven and Hell
Aired Oct 19, 198060 minTMDb
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.
Your diary entry
Sign in to log when you watched this episode, add your rating, and write a review.
Sign in →