It’s an unknown in the sense that it hasn’t been verified experimentally and we lack many details, but there are still quite a few things we know. The fact that

It’s an unknown in the sense that it hasn’t been verified experimentally and we lack many details, but there are still quite a few things we know. The fact that we are not certain is not an excuse to claim that god did it and it is a failure of science, or that it is unknowable.