Simulation of the spiral structure of galaxies in a rotating liquid
Morozov A. G., Nezlin M. V. , Snezhkin E. N. , Fridman A. M.
The hydrodynamic theory of the formation of the spiral structure of galaxies with a rapidly rotating core is confirmed by an experiment in rotating shallow water. There is an analogous ("supersonic") discontinuity in the velocity profile of the water. The water exhibits a theoretically predicted new centrifugal instability, which generates a spiral pattern.
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![](/ps/1303/article_19689_800_head.png "The hydrodynamic theory of the formation of the spiral structure of galaxies with a rapidly rotating core is confirmed by an experiment in rotating shallow water. There is an analogous ("supersonic") discontinuity in the velocity profile of the water. The water exhibits a theoretically predicted new centrifugal instability, which generates a spiral pattern.")