<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[RSS Feed]]></title><description><![CDATA[RSS Feed]]></description><link>http://direct.ecency.com</link><image><url>http://direct.ecency.com/logo512.png</url><title>RSS Feed</title><link>http://direct.ecency.com</link></image><generator>RSS for Node</generator><lastBuildDate>Fri, 17 Apr 2026 20:46:43 GMT</lastBuildDate><atom:link href="http://direct.ecency.com/created/weir-author/rss.xml" rel="self" type="application/rss+xml"/><item><title><![CDATA[Q&A: Measuring a Black Hole’s Spin and more. Featuring Andy Weir Author of the Martian]]></title><description><![CDATA[In this week’s question show, Fraser explains how astronomers measure the spin rate of black holes, other uses of gravitational slingshots, and why everyone is talking about Patreon.]]></description><link>http://direct.ecency.com/weir-author/@thehway/q-and-a-measuring-a-black-hole-s-spin-and-more-featuring-andy-weir-author-of-the-martian</link><guid isPermaLink="true">http://direct.ecency.com/weir-author/@thehway/q-and-a-measuring-a-black-hole-s-spin-and-more-featuring-andy-weir-author-of-the-martian</guid><category><![CDATA[weir-author]]></category><dc:creator><![CDATA[thehway]]></dc:creator><pubDate>Sun, 03 Dec 2017 08:34:12 GMT</pubDate><enclosure url="https://images.ecency.com/p/S5Eokt4BcQdk7EHeT1aYjzebg2hC7hkthT45e8kBCxKx3o1fTRitbFeWkp7TQibUsaVc5P4?format=match&amp;mode=fit" length="0" type="false"/></item></channel></rss>