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	<id>https://lunarpedia.org/index.php?action=history&amp;feed=atom&amp;title=Reflectivity</id>
	<title>Reflectivity - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://lunarpedia.org/index.php?action=history&amp;feed=atom&amp;title=Reflectivity"/>
	<link rel="alternate" type="text/html" href="https://lunarpedia.org/index.php?title=Reflectivity&amp;action=history"/>
	<updated>2026-05-14T19:41:02Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://lunarpedia.org/index.php?title=Reflectivity&amp;diff=10078&amp;oldid=prev</id>
		<title>Apsmith at 15:50, 14 June 2007</title>
		<link rel="alternate" type="text/html" href="https://lunarpedia.org/index.php?title=Reflectivity&amp;diff=10078&amp;oldid=prev"/>
		<updated>2007-06-14T15:50:33Z</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;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 15:50, 14 June 2007&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;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;What fraction of incoming radiation is reflected by a material, rather than absorbed or transmitted. This is a number between 0 and 1, and depends on the material characteristics and the spectrum of incoming radiation (light, infrared, radio, etc). For the same spectral range, the [[Emissivity|emissivity]] of a material is 1 - reflectivity.&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;What fraction of incoming radiation is reflected by a material, rather than absorbed or transmitted. This is a number between 0 and 1, and depends on the material characteristics and the spectrum of incoming radiation (light, infrared, radio, etc). For the same spectral range, the [[Emissivity|emissivity]] of a material is 1 - reflectivity&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;. See also [[Albedo]]&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;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;{{Physics Stub}}&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;{{Physics Stub}}&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;div&gt;[[Category: Physics]]&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;[[Category: Physics]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Apsmith</name></author>
		
	</entry>
	<entry>
		<id>https://lunarpedia.org/index.php?title=Reflectivity&amp;diff=10077&amp;oldid=prev</id>
		<title>Apsmith: Minor correction and additional info</title>
		<link rel="alternate" type="text/html" href="https://lunarpedia.org/index.php?title=Reflectivity&amp;diff=10077&amp;oldid=prev"/>
		<updated>2007-06-14T15:50:00Z</updated>

		<summary type="html">&lt;p&gt;Minor correction and additional info&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;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 15:50, 14 June 2007&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;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;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;value for &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;average &lt;/del&gt;[[emissivity]] &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;(&lt;/del&gt;1 - [[&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;reflectivity&lt;/del&gt;]]&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;) - i.e. what fraction of incoming sunlight is reflected by the surface, rather than absorbed&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;ins class=&quot;diffchange diffchange-inline&quot;&gt;What fraction of incoming radiation is reflected by a material, rather than absorbed or transmitted. This is a number between 0 and 1, and depends on the material characteristics and the spectrum of incoming radiation (light, infrared, radio, etc). For the same spectral range, &lt;/ins&gt;the [[&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Emissivity|&lt;/ins&gt;emissivity]] &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;of a material is &lt;/ins&gt;1 - &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;reflectivity.&lt;/ins&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;/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;{{Physics Stub}}&lt;/ins&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;Category: Physics&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Apsmith</name></author>
		
	</entry>
	<entry>
		<id>https://lunarpedia.org/index.php?title=Reflectivity&amp;diff=10052&amp;oldid=prev</id>
		<title>Cfrjlr: def</title>
		<link rel="alternate" type="text/html" href="https://lunarpedia.org/index.php?title=Reflectivity&amp;diff=10052&amp;oldid=prev"/>
		<updated>2007-06-14T13:41:52Z</updated>

		<summary type="html">&lt;p&gt;def&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;value for the average [[emissivity]] (1 - [[reflectivity]]) - i.e. what fraction of incoming sunlight is reflected by the surface, rather than absorbed&lt;/div&gt;</summary>
		<author><name>Cfrjlr</name></author>
		
	</entry>
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