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    <title>orbit</title>
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    <updated>2026-05-06T23:13:57+10:00</updated>
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            <entry>
            <id>https://links.pgmac.net.au/links/589</id>
            <title type="text"><![CDATA[The Edge of the Moon]]></title>
            <link rel="alternate" href="https://www.youtube.com/watch?v=Rul3V3BhO5g" />
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            <author>
                <name><![CDATA[Paul Macdonnell]]></name>
            </author>
            <summary type="text">
                <![CDATA[As the Moon orbits Earth on an elliptical path, it appears to slide left and right as well as nod up and down. These motions, called libration and nutation, ...]]>
            </summary>
            <updated>2026-01-04T04:00:37+10:00</updated>
        </entry>
            <entry>
            <id>https://links.pgmac.net.au/links/521</id>
            <title type="text"><![CDATA[https://youtu.be/ojbBLENz15s?si=6eWDP5gUyt_rqw3j]]></title>
            <link rel="alternate" href="https://youtu.be/ojbBLENz15s?si=6eWDP5gUyt_rqw3j" />
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            <author>
                <name><![CDATA[Paul Macdonnell]]></name>
            </author>
            <summary type="text">
                <![CDATA[Camera setup by NASA astronautsOriginal timelapse by Riccardo Rossi (ISAA) - Attribution-NonCommercial-ShareAlike 4.0 International License -Raw photos court...]]>
            </summary>
            <updated>2025-12-19T04:00:20+10:00</updated>
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