Title: Cosmology film (NOVA)
Abstract: "Has the universe always existed? How did it become a place that could harbor life? Are we alone, or are there alien worlds waiting
to be discovered? NOVA presents some startling new answers in "Origins," a groundbreaking four-part miniseries."
This is the 4th chapter in a series of 6 episodes, see http://www.pbs.org/wgbh/nova/origins/program-3114.html for more info.