"....and in one of the infinite beginnings God created everything and he called it the universe. Lo, he saw that all the parts were going in different directions in a chaotic manner. Verily this was not good so he said, "Let there be gravity and lo, there was gravity and all the things that he created behaved themselves....."
And today we all experience it`s effect but can we give a better explanation of why it is there?.
I have a great deal of time for Prof. Brian Cox but when I hear him and others put figures and dimensions, with such conviction, for things such as black holes, etc., which are suggested billions of light years away I do sometimes wonder!!