Addressing the missing mass problem in galaxy clusters that is found with MOND-type theories

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Abstract

The MOND-type theories of AQUAdratic Lagrangian (AQUAL) and GRavitational Anti- Screening (GRAS) are applied to galaxy clusters. It will be shown that treating the baryonic mass distribution of the intracluster gas as being continuous leads to neglecting an important contribution to the clusters overall gravitational field. This is the localized mass density distribution that falls out from the theory which surrounds the protons within the gas. Including this contributor leads to an additional boost of approximately 60% to the gravitational field of clusters, over what MOND-type theories have previously been taken to provide. This accounts for most, if not all, of the shortfall of gravity or mass that has been attributed to clusters when MOND-type theories are used.

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last seen: 2026-05-19T01:45:01.086888+00:00