Constraints on the Hubble constant from Supernova Refsdal's reappearance · HackerPapers discussionshttps://hackerpaper.kaipfister.de/p/2305.06367/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMTConstraints on the Hubble constant from Supernova Refsdal's reappearance — mentioned by raattgifthttps://news.ycombinator.com/item?id=35924765urn:hackerpapers:mention:2305.06367:35924765Sat, 13 May 2023 02:07:46 GMT<p>[part 1/2] &gt; I wonder what happens if ... mond is used for galaxies that do the lensing tl;dr: massive galaxy cluster with multiple images of a cosmologically-distant background supernova is a relativistic system, so neither Newtonian limit of GR nor MOND is suitable and thus defy useful comparison. Instead compare relativistic theories that reliably produce Newtonian limit (e.g. General Relativity + cold dark matter) or MOND (long list of relativistic theories...) at the limbs of galaxies. The article at the top corresponds with the arXiv preprint &lt;https://arxiv.org/abs/2305.06367&gt;. The…</p><p><a href="https://hackerpaper.kaipfister.de/p/2305.06367/">Paper and discussion history</a>. A mention is not an endorsement.</p>astro-ph.CO