Researchers have long been aware of the existence of large HI structures and over the past decades, a large observational record of their properties has been assembled. Despite all the work that has been done, however, there is no consensus about their origin. In this paper, we will show that these structures can readily be understood within the framework of a new model of cosmology based on time-varying curvature and an unconventional model of nucleosynthesis. According to this model, all galaxies came into existence at the same time during nucleosynthesis as large proton gas clouds whose detailed structure was fixed by an imprint established in the vacuum during an initial Plank inflation. One of the predictions of the model is that all these proto-galaxy gas clouds reached the zero-velocity point of their expansion with sizes many times larger than their present-day size. The large outer HI rings are simply regions of this gas that remained at the maximum size as the core compacted to its present-day size. Similarly, the inner rings are regions that did compact with the galaxy core.
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