The Universe did not exist indefinitely. It was conceived. All matter, energy, space, and even time exploded in a massive explosion known as the Big Bang 13.82 billion years ago. The explosion continued to expand, and out of the cooling debris formed galaxies - vast islands of stars, of which our Milky Way is one of an estimated two trillion. In a nutshell, this is the Big Bang theory. Whatever way you look at it, the concept that the Universe arose from nothing – that there was a day without a yesterday – is completely insane. But the data suggests otherwise. The obvious question is, what happened before the Big Bang? The unwillingness to confront this unpleasant subject is why most scientists had to be dragged
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