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      <pubDate>2025-05-26 03:04:01 UTC</pubDate>
      <lastBuildDate>2025-06-09 03:23:49 UTC</lastBuildDate>
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         <title>태양 (모둠장:) </title>
         <author>wjdghk21145</author>
         <link>https://padlet.com/hangangms/9z7s5c5etc3aju0q/wish/3466799546</link>
         <description><![CDATA[<p>역할분담</p><p><br/></p>]]></description>
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         <pubDate>2025-05-26 03:04:40 UTC</pubDate>
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         <title>수성(모둠장:)</title>
         <author>wjdghk21145</author>
         <link>https://padlet.com/hangangms/9z7s5c5etc3aju0q/wish/3466800067</link>
         <description><![CDATA[<p>역할분담</p>]]></description>
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         <pubDate>2025-05-26 03:04:56 UTC</pubDate>
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         <title>금성(모둠장:)</title>
         <author>wjdghk21145</author>
         <link>https://padlet.com/hangangms/9z7s5c5etc3aju0q/wish/3466800638</link>
         <description><![CDATA[<p>역할분담</p>]]></description>
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         <pubDate>2025-05-26 03:05:08 UTC</pubDate>
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         <title>화성(모둠장:)</title>
         <author>wjdghk21145</author>
         <link>https://padlet.com/hangangms/9z7s5c5etc3aju0q/wish/3466801267</link>
         <description><![CDATA[<p>역할분담</p>]]></description>
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         <pubDate>2025-05-26 03:05:22 UTC</pubDate>
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         <title>목성(모둠장:권희재)</title>
         <author>wjdghk21145</author>
         <link>https://padlet.com/hangangms/9z7s5c5etc3aju0q/wish/3466801729</link>
         <description><![CDATA[<p>역할분담</p>]]></description>
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         <pubDate>2025-05-26 03:05:35 UTC</pubDate>
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         <title>토성(모둠장:신은수)</title>
         <author>wjdghk21145</author>
         <link>https://padlet.com/hangangms/9z7s5c5etc3aju0q/wish/3466802153</link>
         <description><![CDATA[<p>역할분담</p>]]></description>
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         <pubDate>2025-05-26 03:05:48 UTC</pubDate>
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         <title>천왕성(모둠장:)</title>
         <author>wjdghk21145</author>
         <link>https://padlet.com/hangangms/9z7s5c5etc3aju0q/wish/3466802536</link>
         <description><![CDATA[<p>역할분담</p>]]></description>
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         <pubDate>2025-05-26 03:05:58 UTC</pubDate>
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         <title>해왕성(모둠장:)</title>
         <author>wjdghk21145</author>
         <link>https://padlet.com/hangangms/9z7s5c5etc3aju0q/wish/3466802878</link>
         <description><![CDATA[<p>역할분담</p>]]></description>
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         <pubDate>2025-05-26 03:06:09 UTC</pubDate>
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         <title>안예지</title>
         <author></author>
         <link>https://padlet.com/hangangms/9z7s5c5etc3aju0q/wish/3482932491</link>
         <description><![CDATA[<p>수성을 이루는 구성 성분으로는 <a rel="noopener noreferrer nofollow" class="k3pgn7Qq" href="https://namu.wiki/w/%EC%B2%A0(%EC%9B%90%EC%86%8C)">철</a>이 64.13%로 가장 많으며 <a rel="noopener noreferrer nofollow" class="k3pgn7Qq" href="https://namu.wiki/w/%EB%8B%88%EC%BC%88">니켈</a>도 3.66%로 <a rel="noopener noreferrer nofollow" class="k3pgn7Qq" href="https://namu.wiki/w/%EC%A7%80%EA%B5%AC">지구</a>의 2배나 된다. 모든 <a rel="noopener noreferrer nofollow" class="k3pgn7Qq" href="https://namu.wiki/w/%EC%9B%90%EC%86%8C">원소</a>들이 다 존재하지만 수성이라는 이름이 무색하게 <a rel="noopener noreferrer nofollow" class="k3pgn7Qq" href="https://namu.wiki/w/%EC%88%98%EC%86%8C">수소</a>는 지구의 1% 수준으로 매우 적고 <a rel="noopener noreferrer nofollow" class="k3pgn7Qq" href="https://namu.wiki/w/%EC%82%B0%EC%86%8C">산소</a>도 14.44%다. 특이하게도 행성의 크기에 비해 핵의 지름이 수성 지름의 75%인 3,600km나 되고 맨틀은 600km, 지각은 약 100~200km의 두께를 가진다.<br><br>수성의 핵이 맨틀보다 비대한 이유는 수성이 형성된 지 얼마 지나지 않았던 시기에 수백 km 크기의 천체가 행성을 강타해 기존에 존재하던 맨틀의 대부분을 날려버리고 지금과 같은 얇은 맨틀만을 남기게 했기 때문이라는 것이 주류 학계의 추측이다.</p>]]></description>
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         <pubDate>2025-06-09 03:15:32 UTC</pubDate>
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