Thanks for taking time replying to my post.
As to the asteroid belt and saturn ring example. The objects in the asteroid belt: does the evidence not point to it being a moon size body whose debris resulted from an ancient solar system collision. Perhaps the collision distributed the debris...
I was curious as to how planetary type spherical bodies form. Specifically, I was curious as to how the gravity affects the nebulous particles moving within themselves just prior to a solid planetary body forming.
Is it not true that gravity is essentially zero in the center of a planetary...