Natural Cause of Galaxy Rotation

Presented is a clear description of the mechanism by which galaxies acquire significant rotation. Beneath the apparent random motions and concentrations of galaxies lies the simplicity and regularity of a cosmic-scale cellular structure. It is explained how the dynamics that sustain this cellular structure is responsible for (1) the initial linear motion of galaxies, particularly of ‘field’ ellipticals; (2) the oscillation of the trajectories of galaxies; and (3) the preponderance of gravitational mating of galaxies at favorable locations of the cosmic cellular structure. The importance of the boundaries between cosmic cells is recognized, for this is where the bombardment of galaxies from adjacent cells takes place, leading to random collisions. These collisions, in conjunction with induced trajectory oscillations, result in orbital interactions with varying degrees of angular momentum —from stellar-scale to galactic-scale. As a bonus, the explanation of the so-called random motions of galaxies becomes self-evident and the galaxy morphology-density mystery is resolved. A clear answer is given to the decades old question of why ellipticals dominate the population of the densest regions of a cluster, while spirals are observed to comprise a majority in the elongated (filamentous) region of a cluster.