Cosmos 1 4 -1 -1 159380 159380 8.6 0.0 203 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. 60 https://artworks.thetvdb.com/banners/episodes/74995/159380.jpg 1980-10-19 1980-10-19 false PBS Ann Druyan Carl Sagan Adrian Malone 2020-06-23 01:55:42 UNKNOWN S01E04 - Heaven and Hell.avi