https://hackerpaper.kaipfister.de/p/2002.12778/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMThttps://news.ycombinator.com/item?id=27329609urn:hackerpapers:mention:2002.12778:27329609Sun, 30 May 2021 00:45:34 GMT<p>&gt; Or what if Dark Matter was lots of Black Holes? Black holes are indeed[1] a dark matter contender! Just because the best explanation[2] we have right now is cold dark matter (CDM), doesn&#x27;t mean physicists are content. They&#x27;re looking for new ways[3] to probe not just CDM but other dark matter models as well, like primordial black holes[4]. Dark matter is by no means a settled topic. [1]: https://en.wikipedia.org/wiki/Primordial_black_hole [2]: http://pirsa.org/20040087/ &quot;Dark Matter: A Cosmological Perspective&quot;, nice colloquium talk giving overview of what we know about dark matter. [3]…</p><p><a href="https://hackerpaper.kaipfister.de/p/2002.12778/">Paper and discussion history</a>. A mention is not an endorsement.</p>astro-ph.CO