Imagine we had somehow filmed the whole history of the universe and you could play the movie in reverse. It would start off much as things stand today: a vast and elegant web of galaxies and nebulae.

The big bang wasn’t a bang in the traditional sense—but it was nonetheless the start of important things: for one, space; another, time. Thirdly, it began the conditions and processes that eventually ...

I can accept the apparent violation of the light-speed-limit in the Big Bang theory by picturing there being no space at all before the BB. Before there was nothing, not even space. Then there was ...