<?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>Spitzer on Startgaze — Astronomy, Stargazing &amp; Space Science</title><link>https://www.startgaze.com/tags/spitzer/</link><description>Recent content in Spitzer on Startgaze — Astronomy, Stargazing &amp; Space Science</description><generator>Hugo</generator><language>en-us</language><lastBuildDate>Sat, 03 Oct 2026 07:41:23 +0000</lastBuildDate><atom:link href="https://www.startgaze.com/tags/spitzer/index.xml" rel="self" type="application/rss+xml"/><item><title>The dust of Moon-forming crashes: what Webb found in 21 extreme debris disks</title><link>https://www.startgaze.com/posts/2026-10-03-webb-extreme-debris-disks-moon-forming-collisions/</link><pubDate>Sat, 03 Oct 2026 07:41:23 +0000</pubDate><guid>https://www.startgaze.com/posts/2026-10-03-webb-extreme-debris-disks-moon-forming-collisions/</guid><description>JWST and Spitzer spectra of 21 extreme debris disks show silica from Mars-sized crashes in young star systems and gentler Moon-sized impacts in older ones.</description></item></channel></rss>