Scientists have discovered that dark matter particles may exert a force on each other with unexpected effects. This hidden force causes the particles to cluster due to an extra attraction, but simultaneously reduces their effective mass as the universe expands.
The research indicates this peculiar behavior weakens the gravitational impact of dark matter and ultimately slows down the growth of cosmic structure – contrary to previous expectations. The findings challenge existing models of how dark matter behaves and interacts within the universe.
According to Science Daily, the force helps dark matter particles cluster, yet it also makes them effectively lighter as the Universe expands. This seemingly contradictory effect results in a diminished gravitational pull, hindering rather than accelerating the formation of cosmic structures. The study sheds light on the complex nature of dark matter and its role in shaping the universe.
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