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	<id>http://icrpaedia.org/index.php?action=history&amp;feed=atom&amp;title=Magnetosphere</id>
	<title>Magnetosphere - Revision history</title>
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	<updated>2026-04-30T07:17:30Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://icrpaedia.org/index.php?title=Magnetosphere&amp;diff=2195&amp;oldid=prev</id>
		<title>Karen Clement at 13:09, 13 September 2019</title>
		<link rel="alternate" type="text/html" href="http://icrpaedia.org/index.php?title=Magnetosphere&amp;diff=2195&amp;oldid=prev"/>
		<updated>2019-09-13T13:09:33Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 13:09, 13 September 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The Earth’s magnetic dipole field that extends over a distance from Earth up to approximately 75,000 km around the geomagnetic equator. Charged particles in a specific energy range are trapped in the magnetic field. They move in spirals along the geomagnetic field lines, are reflected back between the magnetic poles acting as mirrors, and form radiation belts where the density of electrons and protons is much higher than outside of these areas. The belts were discovered by van Allen and named ‘van Allen belts’. ([[ICRP Publication 123]], 2013)&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The Earth’s magnetic dipole field that extends over a distance from Earth up to approximately 75,000 km around the geomagnetic equator. Charged particles in a specific energy range are trapped in the magnetic field. They move in spirals along the geomagnetic field lines, are reflected back between the magnetic poles acting as mirrors, and form radiation belts where the density of electrons and protons is much higher than outside of these areas. The belts were discovered by van Allen and named ‘van Allen belts’. ([[ICRP Publication 123]], 2013)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;''ICRP Glossary entry -  May 2019''&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''[[ICRP Glossary]] &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;entry -  May 2019&lt;/del&gt;''&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'Return to &lt;/ins&gt;[[ICRP &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Glossary|&lt;/ins&gt;Glossary]]&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'&lt;/ins&gt;''&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Karen Clement</name></author>
		
	</entry>
	<entry>
		<id>http://icrpaedia.org/index.php?title=Magnetosphere&amp;diff=1446&amp;oldid=prev</id>
		<title>Intern: Created page with &quot;The Earth’s magnetic dipole field that extends over a distance from Earth up to approximately 75,000 km around the geomagnetic equator. Charged particles in a specific energ...&quot;</title>
		<link rel="alternate" type="text/html" href="http://icrpaedia.org/index.php?title=Magnetosphere&amp;diff=1446&amp;oldid=prev"/>
		<updated>2019-06-10T15:23:02Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;The Earth’s magnetic dipole field that extends over a distance from Earth up to approximately 75,000 km around the geomagnetic equator. Charged particles in a specific energ...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;The Earth’s magnetic dipole field that extends over a distance from Earth up to approximately 75,000 km around the geomagnetic equator. Charged particles in a specific energy range are trapped in the magnetic field. They move in spirals along the geomagnetic field lines, are reflected back between the magnetic poles acting as mirrors, and form radiation belts where the density of electrons and protons is much higher than outside of these areas. The belts were discovered by van Allen and named ‘van Allen belts’. ([[ICRP Publication 123]], 2013)&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
''[[ICRP Glossary]] entry -  May 2019''&lt;/div&gt;</summary>
		<author><name>Intern</name></author>
		
	</entry>
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