How did Aquinas resolve the conflict between Aristotelian philosophy and the Christian Doctrine of the beginning of the world?

In brief Aquinas was able to resolve the conflict between the Aristotelian notion of a world that out of logical necessity has no beginning and the Christian doctrine that God created the world from nothing and as such had a beginning by allowing for the possibility of a created eternal world. Before the above is discussed it is important from the outset to make the distinction between an eternal world and eternity as it applies to God. When we talk of an eternal we mean one without a beginning, it always was. God's eternity is true eternity, that is he alone is outside time because he…