First published in Catastrophes, Chaos & Convolutions, Baen Books, December, 2005

[….] We have a situation, then, in which planets orbiting beyond the range of their isolating sheaths don’t “feel” each other’s presence electrically, and move serenely under the influence of gravity alone. But consider what happens when the system is disturbed, either through the injection of another sizable body, either from outside or by fission from an existing planet as Velikovsky proposed, or by the onset of a chaotic instability in the existing configuration. […]