Signs of disturbance in nearby dwarf galaxies indicate an alternative gravity theory

According to the standard model of cosmology, the vast majority of galaxies are surrounded by a halo of dark matter particles. This halo is invisible, but its mass exerts a strong gravitational pull on galaxies in the vicinity. A new study challenges this view of the Universe. The results suggest that the dwarf galaxies of Earth’s second closest galaxy cluster — known as the Fornax Cluster — are free of such dark matter halos.
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