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		<id>https://www.explainxkcd.com/wiki/index.php?action=history&amp;feed=atom&amp;title=1115%3A_Sky</id>
		<title>1115: Sky - Revision history</title>
		<link rel="self" type="application/atom+xml" href="https://www.explainxkcd.com/wiki/index.php?action=history&amp;feed=atom&amp;title=1115%3A_Sky"/>
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		<updated>2026-05-23T13:24:23Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=402190&amp;oldid=prev</id>
		<title>1234231587678: rewording is fun! yay!</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=402190&amp;oldid=prev"/>
				<updated>2025-12-21T02:40:53Z</updated>
		
		<summary type="html">&lt;p&gt;rewording is fun! yay!&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 02:40, 21 December 2025&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-l8&quot; &gt;Line 8:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 8:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&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;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 comic is about the fact that much of the way we see the world is relative. Which way is left or right, for example, depends on the direction one is facing, so different people can give different answers and both be correct. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;(Contrast this to &lt;/del&gt;absolute directions, such as &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;East &lt;/del&gt;and &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;West&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;which &lt;/del&gt;do not change based on one's orientation.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;)&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;This comic is about the fact that much of the way we see the world is relative. Which way is left or right, for example, depends on the direction one is facing, so different people can give different answers and both be correct. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;However, &lt;/ins&gt;absolute directions, such as &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;east &lt;/ins&gt;and &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;west&lt;/ins&gt;, do not change based on one's orientation.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; 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: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;Which way is &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'&lt;/del&gt;down&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;' &lt;/del&gt;is a little more complicated, as both the absolute and relative direction use the same word &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;(owing to the two directions usually being the same on Earth): it can be defined as '&lt;/del&gt;whichever way gravity goes &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;/ &lt;/del&gt;the direction things fall&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'&lt;/del&gt;, but it can also be &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;defined as '&lt;/del&gt;the direction one's feet are&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'&lt;/del&gt;. In space particularly, the latter definition tends to be used as the former is rather hard to deduce. It is possible, though not too useful, to simply say that &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'&lt;/del&gt;down&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;' &lt;/del&gt;in space is &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'&lt;/del&gt;whichever way Earth is&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'&lt;/del&gt;, or perhaps even &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'&lt;/del&gt;whichever way is opposite to the Sun&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'&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;Which way is &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/ins&gt;down&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot; &lt;/ins&gt;is a little more complicated, as both the absolute and relative direction use the same word&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;. It generally means &lt;/ins&gt;whichever way gravity goes &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;or &lt;/ins&gt;the direction things fall &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;toward&lt;/ins&gt;, but it can also be the direction &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;where &lt;/ins&gt;one's feet are. In space particularly, the latter definition tends to be used&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;, &lt;/ins&gt;as the former is rather hard to deduce. It is possible, though not too useful, to simply say that &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/ins&gt;down&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot; &lt;/ins&gt;in space is whichever way Earth is, or perhaps even whichever way is opposite to the Sun.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; 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: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;However, even on Earth, the direction of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'&lt;/del&gt;down&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;' &lt;/del&gt;can get muddled. Humans rely a lot on vision to determine which way is down, so in an enclosed room with no references, one can easily convince themselves &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;(accidentally or deliberately) &lt;/del&gt;that down is in a different direction to gravity. Forcing yourself to think in a different perspective changes a lot of things that are usually thought of as mundanities.&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;However, even on Earth, the direction of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/ins&gt;down&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot; &lt;/ins&gt;can get muddled. Humans rely a lot on vision to determine which way is down, so in an enclosed room with no references, one can easily convince themselves that &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/ins&gt;down&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot; &lt;/ins&gt;is in a different direction to gravity. Forcing yourself to think in a different perspective changes a lot of things that are usually thought of as mundanities.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;{{actual citation needed}}&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; 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: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;[[Beret Guy]] convinces himself that down is toward the sky. [[Megan]] asks him why he is clinging to the ground. He responds that he is holding on to the ground so that he does not fall into the sky. Megan &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;at first &lt;/del&gt;dismisses this but &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;later &lt;/del&gt;looks &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;up&lt;/del&gt;, gets scared and is found by [[Ponytail]]&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;, clinging to a mailbox afraid of falling up (down?)&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;[[Beret Guy]] convinces himself that &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/ins&gt;down&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot; &lt;/ins&gt;is toward the sky. [[Megan]] asks him why he is clinging to the ground. He responds that he is holding on to the ground so that he does not fall into the sky. Megan dismisses this but &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;then &lt;/ins&gt;looks &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;down&amp;quot;&lt;/ins&gt;, gets scared and &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;clings to a mailbox. She &lt;/ins&gt;is &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;later &lt;/ins&gt;found by [[Ponytail]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; 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: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;The title text continues this idea, where&amp;#160; Megan &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;drops&amp;quot; &lt;/del&gt;a bird into the sky, and never hears it hit the &amp;quot;bottom&amp;quot;. As birds can fly, and captured birds often fly away when released, its flight appeared to Megan as &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the bird &lt;/del&gt;falling &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;upward. &lt;/del&gt;&amp;quot;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Didn't hear it hit bottom&lt;/del&gt;&amp;quot; would &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;normally &lt;/del&gt;mean that the pit is too deep for the sound of impact to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;make it &lt;/del&gt;back &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;up&lt;/del&gt;, although in this case &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;as &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'&lt;/del&gt;pit&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;' &lt;/del&gt;is &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;genuinely &lt;/del&gt;bottomless &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the &lt;/del&gt;bird would never hit &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'&lt;/del&gt;bottom&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;' &lt;/del&gt;even if it didn't move.&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;The title text continues this idea, where&amp;#160; Megan &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;releases &lt;/ins&gt;a bird into the sky, and never hears it hit the &amp;quot;bottom&amp;quot;. As birds can fly, and captured birds often fly away when released,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;{{cn}} &lt;/ins&gt;its flight appeared to Megan as falling &amp;quot;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;downward&lt;/ins&gt;&amp;quot;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;. Normally, this &lt;/ins&gt;would mean that the pit is too deep for the sound of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;the &lt;/ins&gt;impact to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;come &lt;/ins&gt;back &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;to the listener&lt;/ins&gt;, although in this case&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;, &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/ins&gt;pit&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot; &lt;/ins&gt;is bottomless&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;. The &lt;/ins&gt;bird would never hit &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;the &amp;quot;&lt;/ins&gt;bottom&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot; &lt;/ins&gt;even if it didn't move.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>1234231587678</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=309450&amp;oldid=prev</id>
		<title>Pressforaction at 07:48, 30 March 2023</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=309450&amp;oldid=prev"/>
				<updated>2023-03-30T07:48:54Z</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;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 07:48, 30 March 2023&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-l10&quot; &gt;Line 10:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 10:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about the fact that much of the way we see the world is relative. Which way is left or right, for example, depends on the direction one is facing, so different people can give different answers and both be correct. (Contrast this to absolute directions, such as East and West, which do not change based on one's orientation.)&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about the fact that much of the way we see the world is relative. Which way is left or right, for example, depends on the direction one is facing, so different people can give different answers and both be correct. (Contrast this to absolute directions, such as East and West, which do not change based on one's orientation.)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; 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: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;Which way is 'down' is a little more complicated, as both the absolute and relative direction use the same word (owing to the two directions usually being the same on Earth): it can be defined as 'whichever way gravity goes / the direction things fall', but it can also be defined as 'the direction one's feet &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is&lt;/del&gt;'. In space particularly, the latter definition tends to be used as the former is rather hard to deduce. It is possible, though not too useful, to simply say that 'down' in space is 'whichever way Earth is', or perhaps even 'whichever way is opposite to the Sun'.&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;Which way is 'down' is a little more complicated, as both the absolute and relative direction use the same word (owing to the two directions usually being the same on Earth): it can be defined as 'whichever way gravity goes / the direction things fall', but it can also be defined as 'the direction one's feet &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;are&lt;/ins&gt;'. In space particularly, the latter definition tends to be used as the former is rather hard to deduce. It is possible, though not too useful, to simply say that 'down' in space is 'whichever way Earth is', or perhaps even 'whichever way is opposite to the Sun'.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;However, even on Earth, the direction of 'down' can get muddled. Humans rely a lot on vision to determine which way is down, so in an enclosed room with no references, one can easily convince themselves (accidentally or deliberately) that down is in a different direction to gravity. Forcing yourself to think in a different perspective changes a lot of things that are usually thought of as mundanities.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;However, even on Earth, the direction of 'down' can get muddled. Humans rely a lot on vision to determine which way is down, so in an enclosed room with no references, one can easily convince themselves (accidentally or deliberately) that down is in a different direction to gravity. Forcing yourself to think in a different perspective changes a lot of things that are usually thought of as mundanities.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Pressforaction</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=273499&amp;oldid=prev</id>
		<title>Davidy22: Reverted edits by Explain xkcd server admin (talk) to last revision by Theusaf</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=273499&amp;oldid=prev"/>
				<updated>2022-05-21T02:57:14Z</updated>
		
		<summary type="html">&lt;p&gt;Reverted edits by &lt;a href=&quot;/wiki/index.php/Special:Contributions/Explain_xkcd_server_admin&quot; title=&quot;Special:Contributions/Explain xkcd server admin&quot;&gt;Explain xkcd server admin&lt;/a&gt; (&lt;a href=&quot;/wiki/index.php?title=User_talk:Explain_xkcd_server_admin&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;User talk:Explain xkcd server admin (page does not exist)&quot;&gt;talk&lt;/a&gt;) to last revision by &lt;a href=&quot;/wiki/index.php/User:Theusaf&quot; title=&quot;User:Theusaf&quot;&gt;Theusaf&lt;/a&gt;&lt;/p&gt;
&lt;a href=&quot;//www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;amp;diff=273499&amp;amp;oldid=270858&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Davidy22</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=270858&amp;oldid=prev</id>
		<title>Explain xkcd server admin at 21:27, 20 May 2022</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=270858&amp;oldid=prev"/>
				<updated>2022-05-20T21:27:30Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;a href=&quot;//www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;amp;diff=270858&amp;amp;oldid=268005&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Explain xkcd server admin</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=268005&amp;oldid=prev</id>
		<title>Theusaf: Reverted edits by 👖🔥 (talk) to last revision by Jacky720</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=268005&amp;oldid=prev"/>
				<updated>2022-05-11T18:46:19Z</updated>
		
		<summary type="html">&lt;p&gt;Reverted edits by &lt;a href=&quot;/wiki/index.php/Special:Contributions/%F0%9F%91%96%F0%9F%94%A5&quot; title=&quot;Special:Contributions/👖🔥&quot;&gt;👖🔥&lt;/a&gt; (&lt;a href=&quot;/wiki/index.php?title=User_talk:%F0%9F%91%96%F0%9F%94%A5&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;User talk:👖🔥 (page does not exist)&quot;&gt;talk&lt;/a&gt;) to last revision by &lt;a href=&quot;/wiki/index.php/User:Jacky720&quot; title=&quot;User:Jacky720&quot;&gt;Jacky720&lt;/a&gt;&lt;/p&gt;
&lt;a href=&quot;//www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;amp;diff=268005&amp;amp;oldid=266239&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Theusaf</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=266239&amp;oldid=prev</id>
		<title>👖🔥 at 17:33, 11 May 2022</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=266239&amp;oldid=prev"/>
				<updated>2022-05-11T17:33:24Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;a href=&quot;//www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;amp;diff=266239&amp;amp;oldid=262242&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>👖🔥</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=262242&amp;oldid=prev</id>
		<title>Jacky720: rv</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=262242&amp;oldid=prev"/>
				<updated>2022-05-04T23:47:26Z</updated>
		
		<summary type="html">&lt;p&gt;rv&lt;/p&gt;
&lt;a href=&quot;//www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;amp;diff=262242&amp;amp;oldid=262191&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Jacky720</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=262191&amp;oldid=prev</id>
		<title>Ex Kay Cee Dee at 23:47, 4 May 2022</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=262191&amp;oldid=prev"/>
				<updated>2022-05-04T23:47:20Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;a href=&quot;//www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;amp;diff=262191&amp;amp;oldid=249832&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Ex Kay Cee Dee</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=249832&amp;oldid=prev</id>
		<title>Jacky720: rv</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=249832&amp;oldid=prev"/>
				<updated>2022-05-04T21:32:33Z</updated>
		
		<summary type="html">&lt;p&gt;rv&lt;/p&gt;
&lt;a href=&quot;//www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;amp;diff=249832&amp;amp;oldid=249802&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Jacky720</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=249802&amp;oldid=prev</id>
		<title>Ex Kay Cee Dee at 21:32, 4 May 2022</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;diff=249802&amp;oldid=prev"/>
				<updated>2022-05-04T21:32:20Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;a href=&quot;//www.explainxkcd.com/wiki/index.php?title=1115:_Sky&amp;amp;diff=249802&amp;amp;oldid=249119&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Ex Kay Cee Dee</name></author>	</entry>

	</feed>