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  <!-- OrbitalSolar.ai — 46 pages — lastmod: 2026-04-18 -->

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    <image:image><image:loc>https://orbitalsolar.ai/img/diagrams/reflect-orbital-brightness-ladder.webp</image:loc><image:title>How bright, against things you can judge</image:title></image:image>
    <image:image><image:loc>https://orbitalsolar.ai/img/diagrams/earendil-1-spacecraft-schematic.webp</image:loc><image:title>Eärendil-1 spacecraft schematic</image:title></image:image>
    <image:image><image:loc>https://orbitalsolar.ai/img/diagrams/space-mirror-orbital-mechanics.webp</image:loc><image:title>Why a space mirror only works at dawn and dusk</image:title></image:image>
    <image:image><image:loc>https://orbitalsolar.ai/img/diagrams/how-a-space-mirror-works.webp</image:loc><image:title>How a space mirror works, in one picture</image:title></image:image>
    <image:image><image:loc>https://orbitalsolar.ai/img/diagrams/znamya-space-mirror-1993.webp</image:loc><image:title>Znamya-2, 1993 — the first orbital mirror</image:title></image:image>
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  <!-- Topical pages — Tier 1 -->
  <url><loc>https://orbitalsolar.ai/glossary/</loc><lastmod>2026-08-04</lastmod><changefreq>monthly</changefreq><priority>0.8</priority></url>
  <url><loc>https://orbitalsolar.ai/what-is-a-space-mirror/</loc><lastmod>2026-08-04</lastmod><changefreq>monthly</changefreq><priority>0.8</priority></url>
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  <!-- Topical pages — Tier 3 -->
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