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		<id>http://universeinproblems.com/index.php?action=history&amp;feed=atom&amp;title=Category%3ACosmo_warm-up</id>
		<title>Category:Cosmo warm-up - Revision history</title>
		<link rel="self" type="application/atom+xml" href="http://universeinproblems.com/index.php?action=history&amp;feed=atom&amp;title=Category%3ACosmo_warm-up"/>
		<link rel="alternate" type="text/html" href="http://universeinproblems.com/index.php?title=Category:Cosmo_warm-up&amp;action=history"/>
		<updated>2026-07-12T19:33:39Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
		<generator>MediaWiki 1.26.2</generator>

	<entry>
		<id>http://universeinproblems.com/index.php?title=Category:Cosmo_warm-up&amp;diff=1075&amp;oldid=prev</id>
		<title>Igor at 14:20, 14 October 2012</title>
		<link rel="alternate" type="text/html" href="http://universeinproblems.com/index.php?title=Category:Cosmo_warm-up&amp;diff=1075&amp;oldid=prev"/>
				<updated>2012-10-14T14:20:13Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
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				&lt;tr style='vertical-align: top;' lang='en'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 14:20, 14 October 2012&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:black; 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;This is an introductory chapter, intended to remind the readers of the quantities and concepts to be used later in the actual problems. The scope is too large, so you will not learn a subject if you don't know it yet, but this may help you have some fun while recalling what you already know and provides a heads-up for some of the more interesting, sometimes controversial, questions. As opposed to consequent chapters, many &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;solution &lt;/del&gt;are missing, and this is intentional.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; 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;This is an introductory chapter, intended to remind the readers of the quantities and concepts to be used later in the actual problems. The scope is too large, so you will not learn a subject if you don't know it yet, but this may help you have some fun while recalling what you already know and provides a heads-up for some of the more interesting, sometimes controversial, questions. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;lt;!-- &lt;/ins&gt;As opposed to consequent chapters, many &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;solutions &lt;/ins&gt;are missing, and this is intentional. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;--&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Igor</name></author>	</entry>

	<entry>
		<id>http://universeinproblems.com/index.php?title=Category:Cosmo_warm-up&amp;diff=1074&amp;oldid=prev</id>
		<title>Igor at 14:19, 14 October 2012</title>
		<link rel="alternate" type="text/html" href="http://universeinproblems.com/index.php?title=Category:Cosmo_warm-up&amp;diff=1074&amp;oldid=prev"/>
				<updated>2012-10-14T14:19:40Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;' lang='en'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 14:19, 14 October 2012&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:black; 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;This is an introductory chapter, intended to remind the readers of the quantities and concepts to be used later in the actual problems. The scope is too large, so you will not learn a subject if you don't know it yet, but this may help you have some fun while recalling what you already know and provides a heads-up for some of the more interesting, sometimes controversial, questions.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; 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;This is an introductory chapter, intended to remind the readers of the quantities and concepts to be used later in the actual problems. The scope is too large, so you will not learn a subject if you don't know it yet, but this may help you have some fun while recalling what you already know and provides a heads-up for some of the more interesting, sometimes controversial, questions&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;. As opposed to consequent chapters, many solution are missing, and this is intentional&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Igor</name></author>	</entry>

	<entry>
		<id>http://universeinproblems.com/index.php?title=Category:Cosmo_warm-up&amp;diff=1013&amp;oldid=prev</id>
		<title>Igor at 15:18, 11 October 2012</title>
		<link rel="alternate" type="text/html" href="http://universeinproblems.com/index.php?title=Category:Cosmo_warm-up&amp;diff=1013&amp;oldid=prev"/>
				<updated>2012-10-11T15:18:36Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;' lang='en'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 15:18, 11 October 2012&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:black; 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;This is an introductory chapter, intended to remind the readers of the quantities and concepts to be used later in the actual problems. The scope is too large, so you will not learn a subject if you don't know it yet, but this may help you have some fun while recalling what you already know.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; 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;This is an introductory chapter, intended to remind the readers of the quantities and concepts to be used later in the actual problems. The scope is too large, so you will not learn a subject if you don't know it yet, but this may help you have some fun while recalling what you already know &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;and provides a heads-up for some of the more interesting, sometimes controversial, questions&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Igor</name></author>	</entry>

	<entry>
		<id>http://universeinproblems.com/index.php?title=Category:Cosmo_warm-up&amp;diff=993&amp;oldid=prev</id>
		<title>Igor at 13:50, 11 October 2012</title>
		<link rel="alternate" type="text/html" href="http://universeinproblems.com/index.php?title=Category:Cosmo_warm-up&amp;diff=993&amp;oldid=prev"/>
				<updated>2012-10-11T13:50:41Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;' lang='en'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 13:50, 11 October 2012&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:black; 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;This is an introductory chapter, intended to remind the readers of the quantities and concepts to be used later in the actual problems. The scope is too large, so you will not learn &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the &lt;/del&gt;subject if you don't know it yet, but this may help you have some fun while recalling what you already know.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; 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;This is an introductory chapter, intended to remind the readers of the quantities and concepts to be used later in the actual problems. The scope is too large, so you will not learn &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;a &lt;/ins&gt;subject if you don't know it yet, but this may help you have some fun while recalling what you already know.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Igor</name></author>	</entry>

	<entry>
		<id>http://universeinproblems.com/index.php?title=Category:Cosmo_warm-up&amp;diff=992&amp;oldid=prev</id>
		<title>Igor at 13:49, 11 October 2012</title>
		<link rel="alternate" type="text/html" href="http://universeinproblems.com/index.php?title=Category:Cosmo_warm-up&amp;diff=992&amp;oldid=prev"/>
				<updated>2012-10-11T13:49:39Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;' lang='en'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 13:49, 11 October 2012&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:black; 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;Some &lt;/del&gt;introductory &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;text needed?&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; 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;This is an &lt;/ins&gt;introductory &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;chapter, intended to remind the readers of the quantities and concepts to be used later in the actual problems. The scope is too large, so you will not learn the subject if you don't know it yet, but this may help you have some fun while recalling what you already know.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Igor</name></author>	</entry>

	<entry>
		<id>http://universeinproblems.com/index.php?title=Category:Cosmo_warm-up&amp;diff=188&amp;oldid=prev</id>
		<title>Cosmo All: Created page with &quot;Some introductory text needed?&quot;</title>
		<link rel="alternate" type="text/html" href="http://universeinproblems.com/index.php?title=Category:Cosmo_warm-up&amp;diff=188&amp;oldid=prev"/>
				<updated>2012-06-17T16:00:06Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;Some introductory text needed?&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Some introductory text needed?&lt;/div&gt;</summary>
		<author><name>Cosmo All</name></author>	</entry>

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