Three galaxies in this cosmic filament are missing a crucial component of the universe.
Astronomers have identified a third galaxy without dark matter in a peculiar filament of dozens of dwarf galaxies. This discovery, being the third galaxy found without dark matter – one of the most mysterious components of the universe – is generating great interest in the scientific community.
A powerful galactic collision is hypothesized as a possible cause of this unusual phenomenon. Such collisions can fundamentally alter the structure of galaxies, including expelling the dark matter within them, it is noted.
Dark matter constitutes a large part of the universe's total mass and plays a crucial role in the formation and stability of galaxies. This new finding will serve to further expand our understanding of the nature of dark matter and galactic dynamics. Live Science reported this.