Mainz researchers rule out “stupendously large” primordial black holes as significant part of dark matter (IMAGE)

Johannes Gutenberg Universitaet Mainz

Mainz researchers rule out “stupendously large” primordial black holes as significant part of dark matter

Caption

The collapse of matter overdensities to primordial black holes in the early universe changes the spectrum of cosmic microwave background fluctuations.

Credit

Christopher Gerlach

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