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Saturn’s magnetism in the equilibrium distribution of separated particles of dense rings

Presentation #110.01 in the session Many Planets, More Rings Posters (Poster + Lightning Talk)

Published onOct 23, 2023
Saturn’s magnetism in the equilibrium distribution of separated particles of dense rings

Here we present an explanation and solution to one of the important features of Saturn’s dense (visible) rings, which was observed by the Cassini probe, but has not yet been reflected in known gravitational theories – this is the equilibrium distribution of separated ice particles inside the ring structure. .Unfortunately, no one theory provided a convincing explanation for observed peculiarities of Saturn’s dense rings among Solar System bodies [Crida, A., Charnoz, S. 2010, Nature, 468, 903]. Cassini measured that the particles of rings mostly consist of water ice, 90 to 95%. Also Cassini found the ratio of deuterium and hydrogen isotopes for the ice of Saturn’s dense rings is the same as for the Earth’s ice. There is similarity of ice of the rings and Earth’s ice. Ice XI has stable parameters below 73K and it is diamagnetic. Then we resolved problem of the interaction of the gravitational field and the magnetic field of Saturn with the ice particles of the protoplanetary cloud [Tchernyi, V., Kapranov, S. 2020, ApJ, 894, 1]. It explains transformation of a protoplanetary cloud into a disk of stable dense rings system located at the magnetic equator of Saturn. For Saturn the magnetic equator is almost coincides with geographical one. Saturn’s magnetic field has a dipolar structure in the region of dense rings. It became clear Saturn could create its dense rings from the particles and chunks of the protoplanetary cloud with the help its own magnetic field due to the action of an additional third force of diamagnetic expulsion and the mechanism of magnetic anisotropic accretion. Along the orbit rings are not continuous and consist of separated particles [Maxwell, J. 1859. MNRAS, 19: 297]. The Newtonian dynamics for a single particle differs from the dynamics of particles assembled in rings. Particles repel each other under the influence of magnetic force and are attracted to each other under the influence of gravity. From the balance of the forces of gravitational attraction and magnetic repulsion, we derived an expression for the equilibrium and stable distance between the particles in the rings. This was confirmed by the image of the rings from Cassini probe.

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