https://hackerpaper.kaipfister.de/p/1907.11725/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMThttps://news.ycombinator.com/item?id=21563351urn:hackerpapers:mention:1907.11725:21563351Mon, 18 Nov 2019 11:07:06 GMT<p>As far as I can tell the big deal is they are completely sure it came from Str A*. It is also moving too fast to be easily explainable, but for now I would bet on this simply being a very extreme event. The set of hyper velocity stars is rather small at the moment, something like ~20 in total, so I don&#x27;t think there is any reason to believe we have an unbiased sample. Amusingly they do use it to measure the position of the _sun_! Preprint at: https://arxiv.org/abs/1907.11725</p><p><a href="https://hackerpaper.kaipfister.de/p/1907.11725/">Paper and discussion history</a>. A mention is not an endorsement.</p>astro-ph.GAhttps://news.ycombinator.com/item?id=21562765urn:hackerpapers:mention:1907.11725:21562765Mon, 18 Nov 2019 08:34:36 GMT<p>Someone here also usually posts a link to the actual research being reported on, e.g.: https://arxiv.org/abs/1907.11725</p><p><a href="https://hackerpaper.kaipfister.de/p/1907.11725/">Paper and discussion history</a>. A mention is not an endorsement.</p>astro-ph.GA