If we now consider that a single vortex, through its size, strength, and advantageous situation, can gradually consume, envelop, and finally carry away several other vortexes, even vortexes that have themselves overwhelmed several others in the same way, then it will be necessary for the planets made in the centers of these vortexes, having entered into the large vortex that has overcome them, to place themselves in equilibrium there with an equal volume of the matter in which they float.