Billionaire rocket-maker Elon Musk of SpaceX shared his big vision for a “self-sustaining civilization” on Mars with actor Joseph Gordon-Levitt in a short documentary that aired this weekend.
The short film is part of a space-centered episode of Gordon-Levitt’s newly launched show called “HitRecord on TV.” It aired Saturday, Feb. 1, at 10 p.m. EST on the TV channel Pivot.