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Story summary
- Professor Enrique Gaztanaga of the University of Portsmouth proposes dark matter consists of relic black holes from a previous universe, surviving a cosmic transition and interacting gravitationally without emitting light.
- The theory could address gaps in cosmology, including how James Webb Space Telescope-observed supermassive black holes formed.
- University of California, Riverside researchers say decaying dark matter could boost relic black hole formation by altering early galaxy chemistry.
