If a tree falls in the forest . . . .

Yes, the falling tree makes a sound even if nobody is there to hear it.

And so it is with my notion that gravity is the effect of the Big Bang moving matter throughout the universe. Even if nobody is listening, it is still happening. I am convinced of it.

I think Newton would agree. In Newton's 1713 General Scholium in the second edition of Principia, he said:

"I have not yet been able to discover the cause of these properties of gravity from phenomena and I feign no hypotheses... It is enough that gravity does really exist and acts according to the laws I have explained, and that it abundantly serves to account for all the motions of celestial bodies... That one body may act upon another at a distance through a vacuum without the mediation of anything else, by and through which their action and force may be conveyed from one another, is to me so great an absurdity that, I believe, no man who has in philosophic matters a competent faculty of thinking could ever fall into it." http://www.isaacnewton.ca/gen_scholium/

In other words, Newton recognized that his theory did not explain the cause of gravity. Einstein modified Newton's theory with his theory of general relativity, saying that gravity is an attribute of curved space instead of a force between bodies. But Einstein did not tell us what causes gravity.

In my humble opinion, my theory answers that question. Of course, I did not really come up with the answer. It is the product of discoveries by men like Friedman, Lemaitre, Hubble, Hoyle, Penzias, Wilson, Guth and Perlmutter, who contributed to the prevailing theory that the universe is expanding at an accelerating rate.

But I do not know of anyone else who has proposed that the Big Bang is the effectual cause of gravity that we measure as weight. As I stated in my paper, the Big Bang made Newton's apple fall.

And even if nobody hears what I'm saying, the apples are still falling.