Space Colonies - Episode Guide

As the Earth becomes less habitable, we look for other options. Artificial ecosystems on asteroids may be an option, but this comes with dangers.

Space colonization may start with the moon. Getting materials from Earth would be simple, and Earth also shields the moon from cosmic radiation.

Mars entices companies like SpaceX, who believes we can colonize the planet within our lifetime. First, they'll have to solve some pitfalls.