s. 1, ép. 2: British Physicist Steven Hawking Claimed We Will Have To One Day Leave Earth To Survive And Dr Jordan Nguyen Meets The Chinese Scientists Pushing Us Toward That Goal He Visits The Worlds Largest Telescope Helping Researchers Find New Planets With Atmospheres Like Our Own And Takes In The Science That Might Help Navigate Through Space Using Huge Dead Stars Called Pulsars He Visits A Brand New Artificial Star That Is Pushing Us Closer To Generating Rocket Fuel Through Nuclear Fusion And An Extraordinary Collection Of Students Who Pushed Themselves To The Limit To Test Life In Space