Astrophysicist and science writer Adam Becker discusses why the dream of life on Mars may be out of reach, maybe for centuries to come.
Adam Becker, a physicist and author, evaluated Elon Musk's dream of colonizing Mars.
Becker said one of the biggest obstacles to living on Mars is toxic and deadly dust.
Musk founded SpaceX with the explicit goal of making humanity a "multi-planetary... [3558 chars]