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Galactic Spirals May Form Spontaneously

Synopsis: Galactic Spirals May Form Spontaneously

Spiral galaxies could be transient, nonequilibrium structures originating from the collapse of clouds of matter interacting solely through self-gravity.   (see https://physics.aps.org/synopsis-for/10.1103/PhysRevE.99.022125)

Synopsis figure

D. Benhaiem et al., Phys. Rev. E (2019)

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