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      <title>3-5 by 구은정</title>
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      <pubDate>2024-08-12 12:08:03 UTC</pubDate>
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         <title>2조 중간권</title>
         <author></author>
         <link>https://padlet.com/sciencenineteacher/5/wish/3372167779</link>
         <description><![CDATA[<p>중간권에서는 외권에서 지구로 들어오는 행성간 물질이 대기와의 마찰로 인해 타면서 유성으로 관측된다.</p>]]></description>
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         <pubDate>2025-03-19 01:18:21 UTC</pubDate>
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         <title>1조 중간권</title>
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         <pubDate>2025-03-19 01:18:45 UTC</pubDate>
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         <title>1조 중간권</title>
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         <pubDate>2025-03-19 01:19:14 UTC</pubDate>
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         <title>1조 중간권</title>
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         <pubDate>2025-03-19 01:20:21 UTC</pubDate>
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      <item>
         <title>6조 성층권</title>
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         <pubDate>2025-03-19 01:20:25 UTC</pubDate>
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         <title>6조 성층권</title>
         <author></author>
         <link>https://padlet.com/sciencenineteacher/5/wish/3372172140</link>
         <description><![CDATA[<p>오존은 태양에서 오는 자외선을 흡수하여 성층권의 기온을 높임</p>]]></description>
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         <pubDate>2025-03-19 01:20:36 UTC</pubDate>
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         <title>4조 성층권</title>
         <author></author>
         <link>https://padlet.com/sciencenineteacher/5/wish/3372174646</link>
         <description><![CDATA[<p>4조 성층권</p>]]></description>
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         <pubDate>2025-03-19 01:21:48 UTC</pubDate>
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      <item>
         <title>1조 중간권</title>
         <author></author>
         <link>https://padlet.com/sciencenineteacher/5/wish/3372177505</link>
         <description><![CDATA[<p>유성은 외권에서 지구로 들어오는 행성간 물질이 대기와의 마찰로 타면서 관측되는 현상이다. 지금으로부터 가장 가까운 유성 관측 가능 날짜는 2025년 8월 13일, 페르세우스 유성우이다. </p>]]></description>
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         <pubDate>2025-03-19 01:23:07 UTC</pubDate>
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         <title>5조 중간권</title>
         <author></author>
         <link>https://padlet.com/sciencenineteacher/5/wish/3372177658</link>
         <description><![CDATA[<p>https://youtu.be/OXTJYE8vatk?feature=shared</p>]]></description>
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         <pubDate>2025-03-19 01:23:09 UTC</pubDate>
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         <title>3조 열권</title>
         <author></author>
         <link>https://padlet.com/sciencenineteacher/5/wish/3372178307</link>
         <description><![CDATA[<p>태양에서 방출된 전기를 띤 입자가 지구 대기로 들어오면서 지구 대기 입자들과 충돌하여 빛을 내는 현상으로 열권에서 관찰된다.</p>]]></description>
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         <pubDate>2025-03-19 01:23:31 UTC</pubDate>
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         <title>6조 성층권</title>
         <author></author>
         <link>https://padlet.com/sciencenineteacher/5/wish/3372179932</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-03-19 01:24:24 UTC</pubDate>
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         <title>2조 중간권 </title>
         <author>2023yms104</author>
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         <pubDate>2025-03-19 01:24:55 UTC</pubDate>
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         <title>2조 중간권</title>
         <author></author>
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         <pubDate>2025-03-19 01:25:02 UTC</pubDate>
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         <title>4조 성층권</title>
         <author></author>
         <link>https://padlet.com/sciencenineteacher/5/wish/3372181160</link>
         <description><![CDATA[<p>성층권은 약 11km에서 50km까지 높게 뻗으며 높아질수록 기온이 높아진다. 성층권에는 오존층이 존내하며 , 오존은 자외선을 흡수하여 성층권의 기온을 높인다. 또한 올라갈수록 기온이 높고 낮을수록 기온이 낮으므로 대류가 일어나지 않는다.</p>]]></description>
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         <pubDate>2025-03-19 01:25:02 UTC</pubDate>
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         <title>3조 열권</title>
         <author></author>
         <link>https://padlet.com/sciencenineteacher/5/wish/3372181421</link>
         <description><![CDATA[<p>열권은 온도가 높고, 공기가 희박하고 낮과밤의 온도차가 크다</p>]]></description>
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         <pubDate>2025-03-19 01:25:11 UTC</pubDate>
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         <title>5조 중간권</title>
         <author>2023yms145</author>
         <link>https://padlet.com/sciencenineteacher/5/wish/3372181734</link>
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         <pubDate>2025-03-19 01:25:22 UTC</pubDate>
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      <item>
         <title>3조 열권</title>
         <author></author>
         <link>https://padlet.com/sciencenineteacher/5/wish/3372182662</link>
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         <pubDate>2025-03-19 01:25:51 UTC</pubDate>
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      <item>
         <title>5조 중간권</title>
         <author></author>
         <link>https://padlet.com/sciencenineteacher/5/wish/3372183370</link>
         <description><![CDATA[<p>https://www.bbc.com/korean/articles/cdr070lgnyeo</p>]]></description>
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         <pubDate>2025-03-19 01:26:15 UTC</pubDate>
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         <title>4조 성층권</title>
         <author></author>
         <link>https://padlet.com/sciencenineteacher/5/wish/3372183460</link>
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         <pubDate>2025-03-19 01:26:18 UTC</pubDate>
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         <title>2조 중간권</title>
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         <link>https://padlet.com/sciencenineteacher/5/wish/3372185151</link>
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         <pubDate>2025-03-19 01:27:15 UTC</pubDate>
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      <item>
         <title>5조 중간권</title>
         <author></author>
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         <description><![CDATA[<p>대기의 밀도가 증가하기 시작하는 구간은 중간권이다.</p><p>때문에 우주에서 날아오는 물질은 중간권에서부터 타가 시작한다.</p><p>그러므로 보통 지상에서 관측되는 유성은 모두 중간권에서부터 시작된다</p>]]></description>
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         <pubDate>2025-03-19 01:27:21 UTC</pubDate>
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         <title>4조 성층권</title>
         <author></author>
         <link>https://padlet.com/sciencenineteacher/5/wish/3372191283</link>
         <description><![CDATA[<p>라디오존뎨</p>]]></description>
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         <pubDate>2025-03-19 01:30:18 UTC</pubDate>
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         <title>6조 성층권</title>
         <author></author>
         <link>https://padlet.com/sciencenineteacher/5/wish/3372192539</link>
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         <pubDate>2025-03-19 01:31:00 UTC</pubDate>
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