<www.sciencedaily.com/releases/2018/12/181212134352.htm>. highly recommended reading and images in the above Science daily article. In the OP, and our solar system, the finished product, there is a correlation between stellar seismology, resonances and planetary spacings, even at the scale of .3 AU. to 9.6 AU, seven octaves. Will all these proto planetary disks have cleared, and andsettled into a pattern like we have here?and ehat came first, the Eigenschwingung of the "cloud", disk or the star? or a point in time or size, where it rings the bell? ?