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		<id>http://universeinproblems.com/index.php?action=history&amp;feed=atom&amp;title=Category%3ABlack_Holes</id>
		<title>Category:Black Holes - Revision history</title>
		<link rel="self" type="application/atom+xml" href="http://universeinproblems.com/index.php?action=history&amp;feed=atom&amp;title=Category%3ABlack_Holes"/>
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		<updated>2026-06-11T03:43:56Z</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:Black_Holes&amp;diff=1076&amp;oldid=prev</id>
		<title>Igor at 11:26, 15 October 2012</title>
		<link rel="alternate" type="text/html" href="http://universeinproblems.com/index.php?title=Category:Black_Holes&amp;diff=1076&amp;oldid=prev"/>
				<updated>2012-10-15T11:26:25Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
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				&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 11:26, 15 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 introductory 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;In the last couple of decades black holes have turned from a very beautiful but equally abstract (mostly) theoretical concept to an object generally believed to constitute a very distinctive and important part of the observed Universe. On the other hand, study of black holes lies at the junction of General Relativity and quantum world, and led us to the holographic principle. This makes them a common area to a very wide field of research, including classical and quantum gravity, cosmology and astrophysics.&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:Black_Holes&amp;diff=191&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:Black_Holes&amp;diff=191&amp;oldid=prev"/>
				<updated>2012-06-17T16:03:15Z</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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