This is what Roger Penrose is theorizing now too. In effect, the universe may be eternal. Can we ask, when will God or heaven enter in creation?
https://www.yahoo.com/news/m/5d4ade9d-b0e7-34c6-a507-068c0bb98585/ss_the-big-bang-may-have-been.html https://www.yahoo.com/news/m/5d4ade9d-b0e7-34c6-a507-068c0bb98585/ss_the-big-bang-may-have-been.html