https://hackerpaper.kaipfister.de/p/1003.0939/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMThttps://news.ycombinator.com/item?id=37726491urn:hackerpapers:mention:1003.0939:37726491Sun, 01 Oct 2023 14:57:31 GMT<p>Far from settled: https://arxiv.org/abs/1003.0939 But armchair physicists love to shriek &#x27;bullet cluster&#x27; every time because they aren&#x27;t aware of the extent of their ignorance. Considering your HN bio I&#x27;d comfortably classify you as &quot;knows just enough to be dangerous&quot;. Fair, given your generalization knowing nothing about me? More reading for your benefit, from a working astrophysics professor specializing in ultra-diffuse galaxies: https://tritonstation.com/2016/12/23/crater-2-the-bullet-clu... https://tritonstation.com/2017/03/06/lcdm-has-met-the-enemy-...…</p><p><a href="https://hackerpaper.kaipfister.de/p/1003.0939/">Paper and discussion history</a>. A mention is not an endorsement.</p>astro-ph.CO