<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>天文 on Blog</title><link>https://icelemon.top/tags/%E5%A4%A9%E6%96%87/</link><description>Recent content in 天文 on Blog</description><generator>Hugo</generator><language>zh-CN</language><lastBuildDate>Tue, 20 Oct 2026 08:00:00 +0800</lastBuildDate><atom:link href="https://icelemon.top/tags/%E5%A4%A9%E6%96%87/index.xml" rel="self" type="application/rss+xml"/><item><title>手上一点金，怎样走过宇宙来到地球</title><link>https://icelemon.top/knowledge/why-gold-is-rare/</link><pubDate>Tue, 20 Oct 2026 08:00:00 +0800</pubDate><guid>https://icelemon.top/knowledge/why-gold-is-rare/</guid><description>从22.6米的黄金立方体，到中子星、地核和金色的相对论缘由。</description></item></channel></rss>