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<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Living in a Low Density Black Hole, Non-Expanding Universe - Perhaps a Reflecting Universe · HackerPapers discussions</title><link>https://hackerpaper.kaipfister.de/p/1312.0340/</link><description>Collected HN comments and submissions linking this paper.</description><language>en</language><lastBuildDate>Mon, 02 Nov 2026 11:16:22 GMT</lastBuildDate><atom:link href="https://hackerpaper.kaipfister.de/p/1312.0340/feed.xml" rel="self" type="application/rss+xml" /><item><title>Living in a Low Density Black Hole, Non-Expanding Universe - Perhaps a Reflecting Universe — mentioned by lrem</title><link>https://news.ycombinator.com/item?id=28168601</link><guid isPermaLink="false">urn:hackerpapers:mention:1312.0340:28168601</guid><pubDate>Fri, 13 Aug 2021 13:31:01 GMT</pubDate><description>&lt;p&gt;The most mind-boggling bit is the inverse relation between mass and density. Quoting[1]: &amp;gt; A black hole of 387 million solar masses would have the average density of water and would be comparable to a giant water balloon extending from the sun almost to Jupiter. [1]: https://arxiv.org/abs/1312.0340&lt;/p&gt;&lt;p&gt;&lt;a href="https://hackerpaper.kaipfister.de/p/1312.0340/"&gt;Paper and discussion history&lt;/a&gt;. A mention is not an endorsement.&lt;/p&gt;</description><category>physics.gen-ph</category></item></channel></rss>
