Forget gods and goblins, here is the real story of how we know the extent of our universe in time and space. Throw away all those religious books and look at some hard evidence. (Music: Wagner's Lohengrin Prelude)

This concludes the two parts on the history of the universe, showing how our universe, solar system and planet Earth formed through natural and predictable processes. (Music: Rodrigo's 'Concierto de Aranjuez' adagio -- soloist Kaori Muraji)