- Previous episode S02E01 - Ladder to the Stars
- Number S02E02
- Director Ann Druyan
- Writers Ann Druyan, Brannon Braga
The Fleeting Grace of the Habitable Zone
There is no refuge from change in the cosmos. There will come a time in the life of the Sun when Earth will no longer be a home for us. The story of our ancestors who rose to a comparable challenge and a long-term vision of our future on other worlds.