A billion years ago, the universe was born in a flash of brilliance. Cut to a visualization of the Big Bang, showing the universe expanding rapidly. Opening shot: A vast expanse of darkness, dotted with pinpricks of light. A narrator's voice begins to speak. Narrator: "In the beginning, there was nothing. No light, no sound, no matter. But then, in a flash of brilliance, the universe was born. The Big Bang, they called it." Cut to a visualization of the Big Bang, showing the universe expanding rapidly. Narrator: "For billion