Resumen de What came before the big bang?
Acknowledging that something came before the big bang would open the door to explanations of how the universe came to be just right for life. Otherwise people either have to accept that the perfectly crafted universe was just a fluke or that it is one of an infinite number of universes, most of which took very different, and people only think of it as special because they are in it. Or perhaps the bang was one of many. Some think the universe popped into existence as a bubble in a frothing sea of universes. Here, Heaven talks about the Big Bang theory
