The collision velocity of the bullet cluster in conventional and modified dynamics · HackerPapers discussionshttps://hackerpaper.kaipfister.de/p/0704.0381/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMTThe collision velocity of the bullet cluster in conventional and modified dynamics — mentioned by naaskinghttps://news.ycombinator.com/item?id=38533629urn:hackerpapers:mention:0704.0381:38533629Tue, 05 Dec 2023 17:05:42 GMT<p>&gt; The Bullet Cluster is a particular instance where we can actually &quot;see&quot; the dark matter flying around, in a way MOND couldn&#x27;t hope to explain This is not correct. In fact, LCDM can&#x27;t even explain the Bullet Cluster [1]. The evidence is not so favourable to LCDM over MOND [2] when taken as a whole. More recent observations on wide binary stars disfavour MOND more strongly, but the classic reasons you cite are not valid reasons. [1] https://arxiv.org/abs/0704.0381 [2] https://arxiv.org/abs/2110.06936 Edit: See for instance what Milgrom said about the Bullet Cluster back in 2006…</p><p><a href="https://hackerpaper.kaipfister.de/p/0704.0381/">Paper and discussion history</a>. A mention is not an endorsement.</p>astro-ph