
This might be the smallest clump of pure dark matter ever found | The dark object has a mass a million times greater than our sun, is located 10 billion light-years away and has no stars.
https://www.space.com/astronomy/dark-universe/this-might-be-the-smallest-clump-of-pure-dark-matter-ever-found
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I’m curious why the article doesn’t consider the possibility that this is a non-accreting black hole.
A million solar masses is well within the range for SMBHs, if it’s isolated from surrounding matter it would be dark, and there are definitely ways it could be come isolated (EG a SMBH might be ejected from a galaxy after a galactic collision)