All Subjects
      All Types




        Permitted Use

        Stream Only

        Part of PBS Digital Studios
        28 Favorites

        Is There Intelligent Life Beyond Earth? | It's Okay to Be Smart | PBS Digital Studios

        Now that we know planets are common in our galaxy, how can we tell if one holds life? Sure, it will take incredibly powerful telescopes and ambitious new space missions, but what are we looking for? Life on Earth has an expiration date. No matter what humans do, our aging sun will eventually be so hot that we can't survive. If we want to live on, it will have to be beyond Earth. The only question is, will it be us who live on, or just our radio broadcasts and dead satellites?


        You must be logged in to use this feature

        Need an account?
        Register Now