I watched the movie Knowing and that inspired this creation. Custom model built and animated in Cinema 4D. Postwork and Effects in Particle Illusion and Premier Pro.
It's a good way of showing the effects of Volumetric light.
You know - I have this ball cut out of Jade a friend got me from China, and it has three holey layers like your sphere here does...I don't know how they could do it, but they managed to get three loose spheres inside each other (loose as in the spheres could roll any way you wanted to inside the other) all carved out of one solid stone