How did the universe begin? What’s the evidence for the big bang? In the twentieth century, new scientific discoveries challenged the theory that the universe had always existed. Based on these discoveries, the “big bang” theory ultimately replaced the old model. In A Brief History of Time, physicist Stephen Hawking discusses the theory, the evidence for it, and its philosophical and theological implications. Keep reading for Hawking’s discussion of how the universe began.
How the Universe Began: Evidence for the Big Bang
