>held together in a confined region by the gravitational attraction of its own field energy Hm, not quite, they'd be held together topologically but the https:

>held together in a confined region by the gravitational attraction of its own field energy Hm, not quite, they'd be held together topologically but the https://en.wikipedia.org/wiki/Geometrodynamics https://en.wikipedia.org/wiki/Geometrodynamics is interesting.