Cosmos: A Personal Voyage
Season 1, Episode 4: Heaven and Hell
Select Source
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.
All Episodes - Season 1
Episode 1
The Shores of the Cosmic Ocean
Episode 2
One Voice in the Cosmic Fugue
Episode 3
Harmony of the Worlds
Episode 4
Heaven and Hell
Episode 5
Blues for a Red Planet
Episode 6
Travellers' Tales
Episode 7
The Backbone of Night
Episode 8
Journeys in Space and Time
Episode 9
The Lives of the Stars
Episode 10
The Edge of Forever
Episode 11
The Persistence of Memory
Episode 12
Encyclopedia Galactica
Episode 13
Who Speaks for Earth?