@Erk and @Mordred Aren't all isolated systems also adiabatic systems? Then that would imply that the modeling of the universe would be incorrect (since something cannot exist from absolutely nothing). However, the universe is usually modeled as an adiabatic system. What am I missing here, w.r.t...
@Mordred Thank you for your reply
@Erk I think you are talking about the universe as an isolated system, where no energy and mass is exchanged with the surroundings.
@Gigaz Thank you for your reply. I did find some interesting opinions about black holes with respect to their temperature, but I suppose that discussion would belong in an entirely new thread.
How would the first and second laws of thermodynamics apply to the creation and existence of the universe? I'm not a physicist (and unfortunately, do not remember a lot that I learned in Physics class in school and college about Thermodynamics). I did some searching and I have come across an...