'Stupendously large' primordial black holes ruled out as a dark matter source

wglb 3 days ago | parent | next [-]

Results published in Physical Review Letters: https://journals.aps.org/prl/abstract/10.1103/qlf9-thf4

	▲	adrian_b 2 days ago \| parent [-]
		Free preprint at: https://arxiv.org/abs/2508.08238

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az09mugen 2 days ago | parent | prev | next [-]

Not exactly related, but I've always wondered if a lot of "small" black holes not detectable disseminated inside a galaxy could serve as "glue" between all stars and give the impression of existence of dark matter.

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cwillu 2 days ago | parent [-]

Yes, that's one possible thing dark matter could be. Not sure what you mean by “give the impression of existence”, rock and magma gives “the impression of existence of a planet”.

	▲	p00ki3 2 days ago \| parent [-]
		Semantics; dark matter means something but we are not sure what. Define "dark matter" and it's not "dark matter" it's whatever was found.

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spottedmarley 2 days ago | parent | prev [-]

Sounds like the next Star Wars script is coming along nicely. Less science, more fiction. Will no doubt be a big hit.