Chaotic exchange of solid material between planetary systems: implications for lithopanspermia · HackerPapers discussionshttps://hackerpaper.kaipfister.de/p/1205.1059/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMTChaotic exchange of solid material between planetary systems: implications for lithopanspermia — mentioned by dekhnhttps://news.ycombinator.com/item?id=6810680urn:hackerpapers:mention:1205.1059:6810680Wed, 27 Nov 2013 19:58:20 GMT<p>Looking back for the specific citation, I can&#x27;t find it. Looking naively to find the source, it seems like it was an estimate (I mean, we know there are meteorites, but the actual frequency and when they landed, and the total amount isn&#x27;t known exactly). http://arxiv.org/pdf/1205.1059v1.pdf (ignore the part about lithopanspermia. I&#x27;m just discussing the facts of the matter, not the crazy speculation part).</p><p><a href="https://hackerpaper.kaipfister.de/p/1205.1059/">Paper and discussion history</a>. A mention is not an endorsement.</p>astro-ph.EP