https://www.sciencedaily.com/releases/2008/09/080915210506.htm
The Milky Way contains a disk of "dark matter," according to new calculations by astronomers. They have used the results of a supercomputer simulation to...
dark matterour galaxydisksupercomputersimulation
https://www.uwa.edu.au/news/article/2020/may/early-disk-galaxy-puts-formation-models-in-a-spin
International team of researchers observes rotating disk galaxy just 1.5 billion years after the Big Bang.
disk galaxyearlyputsformationmodels