This was merely a droplet of water creating the ripples against a piece of plywood. The droplet happened to hit in the right spot over a knot in the wood and created the background shadow for this as the ripples spread.
I went one step further and decided to play around with some Paint Shop Pro effects to add some color and increase the dramatization of the image. It reminded me of the “proverbial Black Hole” hence it was titled as such..
Just thought I would experiment a little today as the weather is dreary, and not to well suited for photography.