Q&A: Is it time to expand our thinking about dark matter? A new study says yes
We may be more in the dark about dark matter than previously thought, according to a new analysis of distant galaxy clusters. Yale astrophysicist Priyamvada Natarajan, a leading theorist on the nature of black holes and dark matter, says new observational data conflicts with certain assumptions about cold dark matter (CDM)—unseen, slow-moving particles that are inferred by their effect on gravity—and may prompt a fundamental rethinking of dark matter by scientists.
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