Posted on April 13, 2026, 10:50 pm By professorrosado
Research More At iKnowdle!Self-interacting dark matter may solve three cosmic puzzles
A study led by UC Riverside physicist Hai-Bo Yu suggests that a new type of dark matter could explain three astrophysical puzzles across vastly different environments. Published in Physical Review Letters, the study proposes that dense clumps of self-interacting dark matter (SIDM)—each about a million times the mass of the sun—can account for unusual gravitational effects observed in gravitational lenses, stellar streams, and satellite galaxies.
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