https://hackerpaper.kaipfister.de/p/1411.5030/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMThttps://news.ycombinator.com/item?id=27020196urn:hackerpapers:mention:1411.5030:27020196Sun, 02 May 2021 23:55:53 GMT<p>We wrote about this in Orbital Index recently (https://orbitalindex.com) and so I did some background research: Loeb&#x27;s paper [1], mentioned in the article, found that hypervelocity stars accelerated by massive black hole binaries could hypothetically reach as much as *half the speed of light*. This is not something you want to be anywhere near. Relatedly, Chinese astronomers recently published research on 591 high-velocity stars in our galaxy [2, 3], and 43 of these were hypervelocity stars, moving at relativistic speeds and destined to eventually escape the Milky Way entirely. They used…</p><p><a href="https://hackerpaper.kaipfister.de/p/1411.5030/">Paper and discussion history</a>. A mention is not an endorsement.</p>astro-ph.CO