Some people colloquially call the early moments of the Universe’s existence the “big bang.” Perhaps this is to emphasize the fact that the Universe sprang into existence a finite time in the past—13.7...Some people colloquially call the early moments of the Universe’s existence the “big bang.” Perhaps this is to emphasize the fact that the Universe sprang into existence a finite time in the past—13.7 billion years ago—but really, the model explains all of the epochs of time: the past, present, and future of the Universe, not just the earliest moments.
