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		<id>https://www.explainxkcd.com/wiki/index.php?action=history&amp;feed=atom&amp;title=3203%3A_Binary_Star</id>
		<title>3203: Binary Star - 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=3203%3A_Binary_Star"/>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;action=history"/>
		<updated>2026-05-23T13:40:54Z</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=3203:_Binary_Star&amp;diff=407102&amp;oldid=prev</id>
		<title>81.179.199.253: It's got both a link *and* and an in-text explanation... Which makes the Citation Needed already well and truly covered and basically negates the humour of it.</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;diff=407102&amp;oldid=prev"/>
				<updated>2026-02-24T19:46:08Z</updated>
		
		<summary type="html">&lt;p&gt;It&amp;#039;s got both a link *and* and an in-text explanation... Which makes the Citation Needed already well and truly covered and basically negates the humour of it.&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;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&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 19:46, 24 February 2026&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-l14&quot; &gt;Line 14:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 14:&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;{{w|Binary star|Binary star systems}}, where two stars orbit each other, are common throughout the universe. In some cases, these are made up of different types of stars, such as a {{w|neutron star}} co-orbiting with a {{w|main sequence}} star. Here, however, the comic depicts a system consisting of a real celestial object (just such a main sequence star), and a star which is instead a stylised five-pointed shape in which stars are often drawn, called a {{w|pentagram}}.&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;{{w|Binary star|Binary star systems}}, where two stars orbit each other, are common throughout the universe. In some cases, these are made up of different types of stars, such as a {{w|neutron star}} co-orbiting with a {{w|main sequence}} star. Here, however, the comic depicts a system consisting of a real celestial object (just such a main sequence star), and a star which is instead a stylised five-pointed shape in which stars are often drawn, called a {{w|pentagram}}.&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;Pointed stars [https://www.abc.net.au/science/articles/2015/06/16/4253961.htm do not actually exist] as astronomical bodies,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;{{Citation needed}} &lt;/del&gt;as the spikes would quickly collapse under the effects of gravity. Stars seen in the night sky can sometimes appear as though they have spikes coming out of them, but these are just optical illusions caused by the {{w|diffraction spike|diffraction}} [[2762|spike]] effect, and not {{w|Inverted World|something far weirder}}. Although stars have {{w|Solar prominence|prominences}} and {{w|coronal mass ejections}}, which project from their surfaces, these are small relative to the stars themselves.&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;Pointed stars [https://www.abc.net.au/science/articles/2015/06/16/4253961.htm do not actually exist] as astronomical bodies, as the spikes would quickly collapse under the effects of gravity. Stars seen in the night sky can sometimes appear as though they have spikes coming out of them, but these are just optical illusions caused by the {{w|diffraction spike|diffraction}} [[2762|spike]] effect, and not {{w|Inverted World|something far weirder}}. Although stars have {{w|Solar prominence|prominences}} and {{w|coronal mass ejections}}, which project from their surfaces, these are small relative to the stars themselves.&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;If an object was discovered that really did have that shape, emitting light consistent with the spectrum of a star, it would almost certainly have to be an enormous alien constructed device. In order to be of a size similar to that of a star but not collapse under its own gravitational attraction it could not be built solely of the kinds of materials we're familiar with, because we don't know of any substances that would be strong enough. Its ability to emit light intensity comparable with a star's is beyond our understanding, by many orders of magnitude, especially given the need for some power source, and that the heat and radiation would weaken its structure. Another possible, albeit even more implausible, explanation is that some alien technology has somehow forced a real star to assume that shape, while still undergoing fusion and emitting light consistent with a star's spectrum.&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;If an object was discovered that really did have that shape, emitting light consistent with the spectrum of a star, it would almost certainly have to be an enormous alien constructed device. In order to be of a size similar to that of a star but not collapse under its own gravitational attraction it could not be built solely of the kinds of materials we're familiar with, because we don't know of any substances that would be strong enough. Its ability to emit light intensity comparable with a star's is beyond our understanding, by many orders of magnitude, especially given the need for some power source, and that the heat and radiation would weaken its structure. Another possible, albeit even more implausible, explanation is that some alien technology has somehow forced a real star to assume that shape, while still undergoing fusion and emitting light consistent with a star's spectrum.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>81.179.199.253</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;diff=406999&amp;oldid=prev</id>
		<title>42.book.addict at 02:47, 24 February 2026</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;diff=406999&amp;oldid=prev"/>
				<updated>2026-02-24T02:47:30Z</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;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&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 02:47, 24 February 2026&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-l14&quot; &gt;Line 14:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 14:&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;{{w|Binary star|Binary star systems}}, where two stars orbit each other, are common throughout the universe. In some cases, these are made up of different types of stars, such as a {{w|neutron star}} co-orbiting with a {{w|main sequence}} star. Here, however, the comic depicts a system consisting of a real celestial object (just such a main sequence star), and a star which is instead a stylised five-pointed shape in which stars are often drawn, called a {{w|pentagram}}.&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;{{w|Binary star|Binary star systems}}, where two stars orbit each other, are common throughout the universe. In some cases, these are made up of different types of stars, such as a {{w|neutron star}} co-orbiting with a {{w|main sequence}} star. Here, however, the comic depicts a system consisting of a real celestial object (just such a main sequence star), and a star which is instead a stylised five-pointed shape in which stars are often drawn, called a {{w|pentagram}}.&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;Pointed stars [https://www.abc.net.au/science/articles/2015/06/16/4253961.htm do not actually exist] as astronomical bodies{{Citation needed}}&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;, &lt;/del&gt;as the spikes would quickly collapse under the effects of gravity. Stars seen in the night sky can sometimes appear as though they have spikes coming out of them, but these are just optical illusions caused by the {{w|diffraction spike|diffraction}} [[2762|spike]] effect, and not {{w|Inverted World|something far weirder}}. Although stars have {{w|Solar prominence|prominences}} and {{w|coronal mass ejections}}, which project from their surfaces, these are small relative to the stars themselves.&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;Pointed stars [https://www.abc.net.au/science/articles/2015/06/16/4253961.htm do not actually exist] as astronomical bodies&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;,&lt;/ins&gt;{{Citation needed}} as the spikes would quickly collapse under the effects of gravity. Stars seen in the night sky can sometimes appear as though they have spikes coming out of them, but these are just optical illusions caused by the {{w|diffraction spike|diffraction}} [[2762|spike]] effect, and not {{w|Inverted World|something far weirder}}. Although stars have {{w|Solar prominence|prominences}} and {{w|coronal mass ejections}}, which project from their surfaces, these are small relative to the stars themselves.&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;If an object was discovered that really did have that shape, emitting light consistent with the spectrum of a star, it would almost certainly have to be an enormous alien constructed device. In order to be of a size similar to that of a star but not collapse under its own gravitational attraction it could not be built solely of the kinds of materials we're familiar with, because we don't know of any substances that would be strong enough. Its ability to emit light intensity comparable with a star's is beyond our understanding, by many orders of magnitude, especially given the need for some power source, and that the heat and radiation would weaken its structure. Another possible, albeit even more implausible, explanation is that some alien technology has somehow forced a real star to assume that shape, while still undergoing fusion and emitting light consistent with a star's spectrum.&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;If an object was discovered that really did have that shape, emitting light consistent with the spectrum of a star, it would almost certainly have to be an enormous alien constructed device. In order to be of a size similar to that of a star but not collapse under its own gravitational attraction it could not be built solely of the kinds of materials we're familiar with, because we don't know of any substances that would be strong enough. Its ability to emit light intensity comparable with a star's is beyond our understanding, by many orders of magnitude, especially given the need for some power source, and that the heat and radiation would weaken its structure. Another possible, albeit even more implausible, explanation is that some alien technology has somehow forced a real star to assume that shape, while still undergoing fusion and emitting light consistent with a star's spectrum.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>42.book.addict</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;diff=406998&amp;oldid=prev</id>
		<title>110.145.224.178: weird network glitch??? edit should actually occur now</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;diff=406998&amp;oldid=prev"/>
				<updated>2026-02-24T02:44:13Z</updated>
		
		<summary type="html">&lt;p&gt;weird network glitch??? edit should actually occur now&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;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&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 02:44, 24 February 2026&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-l14&quot; &gt;Line 14:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 14:&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;{{w|Binary star|Binary star systems}}, where two stars orbit each other, are common throughout the universe. In some cases, these are made up of different types of stars, such as a {{w|neutron star}} co-orbiting with a {{w|main sequence}} star. Here, however, the comic depicts a system consisting of a real celestial object (just such a main sequence star), and a star which is instead a stylised five-pointed shape in which stars are often drawn, called a {{w|pentagram}}.&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;{{w|Binary star|Binary star systems}}, where two stars orbit each other, are common throughout the universe. In some cases, these are made up of different types of stars, such as a {{w|neutron star}} co-orbiting with a {{w|main sequence}} star. Here, however, the comic depicts a system consisting of a real celestial object (just such a main sequence star), and a star which is instead a stylised five-pointed shape in which stars are often drawn, called a {{w|pentagram}}.&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;Pointed stars [https://www.abc.net.au/science/articles/2015/06/16/4253961.htm do not actually exist]{{Citation needed}} &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;as astronomical bodies&lt;/del&gt;, as the spikes would quickly collapse under the effects of gravity. Stars seen in the night sky can sometimes appear as though they have spikes coming out of them, but these are just optical illusions caused by the {{w|diffraction spike|diffraction}} [[2762|spike]] effect, and not {{w|Inverted World|something far weirder}}. Although stars have {{w|Solar prominence|prominences}} and {{w|coronal mass ejections}}, which project from their surfaces, these are small relative to the stars themselves.&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;Pointed stars [https://www.abc.net.au/science/articles/2015/06/16/4253961.htm do not actually exist] &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;as astronomical bodies&lt;/ins&gt;{{Citation needed}}, as the spikes would quickly collapse under the effects of gravity. Stars seen in the night sky can sometimes appear as though they have spikes coming out of them, but these are just optical illusions caused by the {{w|diffraction spike|diffraction}} [[2762|spike]] effect, and not {{w|Inverted World|something far weirder}}. Although stars have {{w|Solar prominence|prominences}} and {{w|coronal mass ejections}}, which project from their surfaces, these are small relative to the stars themselves.&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;If an object was discovered that really did have that shape, emitting light consistent with the spectrum of a star, it would almost certainly have to be an enormous alien constructed device. In order to be of a size similar to that of a star but not collapse under its own gravitational attraction it could not be built solely of the kinds of materials we're familiar with, because we don't know of any substances that would be strong enough. Its ability to emit light intensity comparable with a star's is beyond our understanding, by many orders of magnitude, especially given the need for some power source, and that the heat and radiation would weaken its structure. Another possible, albeit even more implausible, explanation is that some alien technology has somehow forced a real star to assume that shape, while still undergoing fusion and emitting light consistent with a star's spectrum.&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;If an object was discovered that really did have that shape, emitting light consistent with the spectrum of a star, it would almost certainly have to be an enormous alien constructed device. In order to be of a size similar to that of a star but not collapse under its own gravitational attraction it could not be built solely of the kinds of materials we're familiar with, because we don't know of any substances that would be strong enough. Its ability to emit light intensity comparable with a star's is beyond our understanding, by many orders of magnitude, especially given the need for some power source, and that the heat and radiation would weaken its structure. Another possible, albeit even more implausible, explanation is that some alien technology has somehow forced a real star to assume that shape, while still undergoing fusion and emitting light consistent with a star's spectrum.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>110.145.224.178</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;diff=406997&amp;oldid=prev</id>
		<title>110.145.224.178: i thought it was funny</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;diff=406997&amp;oldid=prev"/>
				<updated>2026-02-24T02:42:02Z</updated>
		
		<summary type="html">&lt;p&gt;i thought it was funny&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;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&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 02:42, 24 February 2026&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-l14&quot; &gt;Line 14:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 14:&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;{{w|Binary star|Binary star systems}}, where two stars orbit each other, are common throughout the universe. In some cases, these are made up of different types of stars, such as a {{w|neutron star}} co-orbiting with a {{w|main sequence}} star. Here, however, the comic depicts a system consisting of a real celestial object (just such a main sequence star), and a star which is instead a stylised five-pointed shape in which stars are often drawn, called a {{w|pentagram}}.&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;{{w|Binary star|Binary star systems}}, where two stars orbit each other, are common throughout the universe. In some cases, these are made up of different types of stars, such as a {{w|neutron star}} co-orbiting with a {{w|main sequence}} star. Here, however, the comic depicts a system consisting of a real celestial object (just such a main sequence star), and a star which is instead a stylised five-pointed shape in which stars are often drawn, called a {{w|pentagram}}.&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;Pointed stars [https://www.abc.net.au/science/articles/2015/06/16/4253961.htm do not actually exist] as astronomical bodies, as the spikes would quickly collapse under the effects of gravity. Stars seen in the night sky can sometimes appear as though they have spikes coming out of them, but these are just optical illusions caused by the {{w|diffraction spike|diffraction}} [[2762|spike]] effect, and not {{w|Inverted World|something far weirder}}. Although stars have {{w|Solar prominence|prominences}} and {{w|coronal mass ejections}}, which project from their surfaces, these are small relative to the stars themselves.&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;Pointed stars [https://www.abc.net.au/science/articles/2015/06/16/4253961.htm do not actually exist]&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;{{Citation needed}} &lt;/ins&gt;as astronomical bodies, as the spikes would quickly collapse under the effects of gravity. Stars seen in the night sky can sometimes appear as though they have spikes coming out of them, but these are just optical illusions caused by the {{w|diffraction spike|diffraction}} [[2762|spike]] effect, and not {{w|Inverted World|something far weirder}}. Although stars have {{w|Solar prominence|prominences}} and {{w|coronal mass ejections}}, which project from their surfaces, these are small relative to the stars themselves.&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;If an object was discovered that really did have that shape, emitting light consistent with the spectrum of a star, it would almost certainly have to be an enormous alien constructed device. In order to be of a size similar to that of a star but not collapse under its own gravitational attraction it could not be built solely of the kinds of materials we're familiar with, because we don't know of any substances that would be strong enough. Its ability to emit light intensity comparable with a star's is beyond our understanding, by many orders of magnitude, especially given the need for some power source, and that the heat and radiation would weaken its structure. Another possible, albeit even more implausible, explanation is that some alien technology has somehow forced a real star to assume that shape, while still undergoing fusion and emitting light consistent with a star's spectrum.&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;If an object was discovered that really did have that shape, emitting light consistent with the spectrum of a star, it would almost certainly have to be an enormous alien constructed device. In order to be of a size similar to that of a star but not collapse under its own gravitational attraction it could not be built solely of the kinds of materials we're familiar with, because we don't know of any substances that would be strong enough. Its ability to emit light intensity comparable with a star's is beyond our understanding, by many orders of magnitude, especially given the need for some power source, and that the heat and radiation would weaken its structure. Another possible, albeit even more implausible, explanation is that some alien technology has somehow forced a real star to assume that shape, while still undergoing fusion and emitting light consistent with a star's spectrum.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>110.145.224.178</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;diff=405229&amp;oldid=prev</id>
		<title>82.13.184.33: /* Explanation */</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;diff=405229&amp;oldid=prev"/>
				<updated>2026-02-09T09:06:05Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation&lt;/span&gt;&lt;/span&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;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&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 09:06, 9 February 2026&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-l12&quot; &gt;Line 12:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 12:&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 is one of the [[:Category:News|News]] comics, delivering space news.&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 is one of the [[:Category:News|News]] comics, delivering space news.&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;{{w|Binary star|Binary star systems}}, where two stars orbit each other, are common throughout the universe. In some cases, these are different types of stars, such as a {{w|neutron star}} co-orbiting with a {{w|main sequence}} star. Here, however, the comic depicts a system consisting of a real celestial object (just such a main sequence star), and a star which is instead a stylised five-pointed shape in which stars are often drawn, called a {{w|pentagram}}.&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;{{w|Binary star|Binary star systems}}, where two stars orbit each other, are common throughout the universe. In some cases, these are &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;made up of &lt;/ins&gt;different types of stars, such as a {{w|neutron star}} co-orbiting with a {{w|main sequence}} star. Here, however, the comic depicts a system consisting of a real celestial object (just such a main sequence star), and a star which is instead a stylised five-pointed shape in which stars are often drawn, called a {{w|pentagram}}.&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;Pointed stars [https://www.abc.net.au/science/articles/2015/06/16/4253961.htm do not actually exist] as astronomical bodies, as the spikes would quickly collapse under the effects of gravity. Stars seen in the night sky can sometimes appear as though they have spikes coming out of them, but these are just optical illusions caused by the {{w|diffraction spike|diffraction}} [[2762|spike]] effect, and not {{w|Inverted World|something far weirder}}. Although stars have {{w|Solar prominence|prominences}} and {{w|coronal mass ejections}}, which project from their surfaces, these are small relative to the stars themselves.&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;Pointed stars [https://www.abc.net.au/science/articles/2015/06/16/4253961.htm do not actually exist] as astronomical bodies, as the spikes would quickly collapse under the effects of gravity. Stars seen in the night sky can sometimes appear as though they have spikes coming out of them, but these are just optical illusions caused by the {{w|diffraction spike|diffraction}} [[2762|spike]] effect, and not {{w|Inverted World|something far weirder}}. Although stars have {{w|Solar prominence|prominences}} and {{w|coronal mass ejections}}, which project from their surfaces, these are small relative to the stars themselves.&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;If an object was discovered that really did have that shape, emitting light consistent with the spectrum of a star, it would almost certainly have to be an enormous alien constructed device. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;It could not be built solely of the kinds of materials we're familiar with, in &lt;/del&gt;order to be of a size similar to that of a star but not collapse under its own gravitational attraction, because we don't know of any substances that would be strong enough. Its ability to emit light intensity comparable with a star's is beyond our understanding, by many orders of magnitude, especially given that the heat and radiation would weaken its structure&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;, and the need for some power source&lt;/del&gt;. Another possible, albeit even more implausible, explanation is that some alien technology has somehow forced a real star to assume that shape while still &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;doing &lt;/del&gt;fusion and emitting light consistent with a star's spectrum.&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;If an object was discovered that really did have that shape, emitting light consistent with the spectrum of a star, it would almost certainly have to be an enormous alien constructed device. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;In &lt;/ins&gt;order to be of a size similar to that of a star but not collapse under its own gravitational attraction &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;it could not be built solely of the kinds of materials we're familiar with&lt;/ins&gt;, because we don't know of any substances that would be strong enough. Its ability to emit light intensity comparable with a star's is beyond our understanding, by many orders of magnitude, especially given &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;the need for some power source, and &lt;/ins&gt;that the heat and radiation would weaken its structure. Another possible, albeit even more implausible, explanation is that some alien technology has somehow forced a real star to assume that shape&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;, &lt;/ins&gt;while still &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;undergoing &lt;/ins&gt;fusion and emitting light consistent with a star's spectrum.&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 puns on the * symbol (an {{w|asterisk}} - meaning little star), which is sometimes called a star, and is often used to indicate {{w|Note (typography)|footnotes}} in text. A &amp;quot;big asterisk&amp;quot; is used as a metaphor for a rather large caveat or significant reservations about the statement being made, suggesting that such qualifications would form a long footnote. This could be interpreted as meaning that the existence of the &amp;quot;typographical star system&amp;quot; is significantly doubtful. Alternatively, it could be read as meaning that the &amp;quot;big asterisk&amp;quot; is &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;a &lt;/del&gt;physically very large (astronomical scale) symbol, which forms part of a system composed of other bodies in the form of typography.&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 puns on the * symbol (an {{w|asterisk}} - meaning little star), which is sometimes called a star, and is often used to indicate {{w|Note (typography)|footnotes}} in text. A &amp;quot;big asterisk&amp;quot; is used as a metaphor for a rather large caveat or significant reservations about the statement being made, suggesting that such qualifications would form a long footnote. This could be interpreted as meaning that the existence of the &amp;quot;typographical star system&amp;quot; is significantly doubtful. Alternatively, it could be read as meaning that the &amp;quot;big asterisk&amp;quot; is &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;an actual &lt;/ins&gt;physically very large (astronomical scale) symbol, which forms part of a system composed of other bodies in the form of typography.&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;Drawing a star as a pentagram, as shown in the comic, is referenced in [[1029: Drawing Stars]].&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;Drawing a star as a pentagram, as shown in the comic, is referenced in [[1029: Drawing Stars]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>82.13.184.33</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;diff=405207&amp;oldid=prev</id>
		<title>Kynde: /* Explanation */</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;diff=405207&amp;oldid=prev"/>
				<updated>2026-02-08T17:59:28Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation&lt;/span&gt;&lt;/span&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;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&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 17:59, 8 February 2026&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;/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 colspan=&quot;2&quot;&gt;&amp;#160;&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 style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;This is one of the [[:Category:News|News]] comics, delivering space news.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&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 style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&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;div&gt;{{w|Binary star|Binary star systems}}, where two stars orbit each other, are common throughout the universe. In some cases, these are different types of stars, such as a {{w|neutron star}} co-orbiting with a {{w|main sequence}} star. Here, however, the comic depicts a system consisting of a real celestial object (just such a main sequence star), and a star which is instead a stylised five-pointed shape in which stars are often drawn, called a {{w|pentagram}}.&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;{{w|Binary star|Binary star systems}}, where two stars orbit each other, are common throughout the universe. In some cases, these are different types of stars, such as a {{w|neutron star}} co-orbiting with a {{w|main sequence}} star. Here, however, the comic depicts a system consisting of a real celestial object (just such a main sequence star), and a star which is instead a stylised five-pointed shape in which stars are often drawn, called a {{w|pentagram}}.&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;/table&gt;</summary>
		<author><name>Kynde</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;diff=405178&amp;oldid=prev</id>
		<title>79.146.201.238: corrected it</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;diff=405178&amp;oldid=prev"/>
				<updated>2026-02-08T15:56:48Z</updated>
		
		<summary type="html">&lt;p&gt;corrected it&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;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&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 15:56, 8 February 2026&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-l23&quot; &gt;Line 23:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 23:&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;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 style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{incomplete transcript|Don't remove this notice too soon.}}&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&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;:[Graphical depiction of a binary star system. The orbits are shown with dashed lines. One star is revolving circularly close to the center of mass and is shown as a filled circle. The other has a very elliptic orbit further out. It is currently close to its furthest point from the other star. This star is depicted as a pentagram.]&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;:[Graphical depiction of a binary star system. The orbits are shown with dashed lines. One star is revolving circularly close to the center of mass and is shown as a filled circle. The other has a very elliptic orbit further out. It is currently close to its furthest point from the other star. This star is depicted as a pentagram.]&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;div&gt;:[Caption below the image:]&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;:[Caption below the image:]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>79.146.201.238</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;diff=405169&amp;oldid=prev</id>
		<title>Trimutius: /* Explanation */</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;diff=405169&amp;oldid=prev"/>
				<updated>2026-02-08T04:58:31Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation&lt;/span&gt;&lt;/span&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;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&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 04:58, 8 February 2026&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-l12&quot; &gt;Line 12:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 12:&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;{{w|Binary star|Binary star systems}}, where two stars orbit each other, are common throughout the universe. In some cases, these are different types of stars, such as a {{w|neutron star}} co-orbiting with a {{w|main sequence}} star. Here, however, the comic depicts a system consisting of a real celestial object (just such a main sequence star), and a star which is instead a stylised five-pointed shape in which stars are often drawn, called a {{w|pentagram}}.&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;{{w|Binary star|Binary star systems}}, where two stars orbit each other, are common throughout the universe. In some cases, these are different types of stars, such as a {{w|neutron star}} co-orbiting with a {{w|main sequence}} star. Here, however, the comic depicts a system consisting of a real celestial object (just such a main sequence star), and a star which is instead a stylised five-pointed shape in which stars are often drawn, called a {{w|pentagram}}.&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;Pointed stars [https://www.abc.net.au/science/articles/2015/06/16/4253961.htm do not actually exist] as astronomical bodies, as the spikes would quickly collapse under the effects of gravity. Stars seen in the night sky can sometimes appear as though they have spikes coming out of them, but these are just optical illusions caused by the {{w|diffraction}} [[2762|spike]] effect, and not {{w|Inverted World|something far weirder}}. Although stars have {{w|Solar prominence|prominences}} and {{w|coronal mass ejections}}, which project from their surfaces, these are small relative to the stars themselves.&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;Pointed stars [https://www.abc.net.au/science/articles/2015/06/16/4253961.htm do not actually exist] as astronomical bodies, as the spikes would quickly collapse under the effects of gravity. Stars seen in the night sky can sometimes appear as though they have spikes coming out of them, but these are just optical illusions caused by the {{w&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;|diffraction spike&lt;/ins&gt;|diffraction}} [[2762|spike]] effect, and not {{w|Inverted World|something far weirder}}. Although stars have {{w|Solar prominence|prominences}} and {{w|coronal mass ejections}}, which project from their surfaces, these are small relative to the stars themselves.&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;If an object was discovered that really did have that shape, emitting light consistent with the spectrum of a star, it would almost certainly have to be an enormous alien constructed device. It could not be built solely of the kinds of materials we're familiar with, in order to be of a size similar to that of a star but not collapse under its own gravitational attraction, because we don't know of any substances that would be strong enough. Its ability to emit light intensity comparable with a star's is beyond our understanding, by many orders of magnitude, especially given that the heat and radiation would weaken its structure, and the need for some power source. Another possible, albeit even more implausible, explanation is that some alien technology has somehow forced a real star to assume that shape while still doing fusion and emitting light consistent with a star's spectrum.&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;If an object was discovered that really did have that shape, emitting light consistent with the spectrum of a star, it would almost certainly have to be an enormous alien constructed device. It could not be built solely of the kinds of materials we're familiar with, in order to be of a size similar to that of a star but not collapse under its own gravitational attraction, because we don't know of any substances that would be strong enough. Its ability to emit light intensity comparable with a star's is beyond our understanding, by many orders of magnitude, especially given that the heat and radiation would weaken its structure, and the need for some power source. Another possible, albeit even more implausible, explanation is that some alien technology has somehow forced a real star to assume that shape while still doing fusion and emitting light consistent with a star's spectrum.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Trimutius</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;diff=405110&amp;oldid=prev</id>
		<title>BunsenH: /* Explanation */ alienses!</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;diff=405110&amp;oldid=prev"/>
				<updated>2026-02-07T15:24:51Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation: &lt;/span&gt; alienses!&lt;/span&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;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&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 15:24, 7 February 2026&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-l13&quot; &gt;Line 13:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 13:&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;Pointed stars [https://www.abc.net.au/science/articles/2015/06/16/4253961.htm do not actually exist] as astronomical bodies, as the spikes would quickly collapse under the effects of gravity. Stars seen in the night sky can sometimes appear as though they have spikes coming out of them, but these are just optical illusions caused by the {{w|diffraction}} [[2762|spike]] effect, and not {{w|Inverted World|something far weirder}}. Although stars have {{w|Solar prominence|prominences}} and {{w|coronal mass ejections}}, which project from their surfaces, these are small relative to the stars themselves.&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;Pointed stars [https://www.abc.net.au/science/articles/2015/06/16/4253961.htm do not actually exist] as astronomical bodies, as the spikes would quickly collapse under the effects of gravity. Stars seen in the night sky can sometimes appear as though they have spikes coming out of them, but these are just optical illusions caused by the {{w|diffraction}} [[2762|spike]] effect, and not {{w|Inverted World|something far weirder}}. Although stars have {{w|Solar prominence|prominences}} and {{w|coronal mass ejections}}, which project from their surfaces, these are small relative to the stars themselves.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&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 style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&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 style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;If an object was discovered that really did have that shape, emitting light consistent with the spectrum of a star, it would almost certainly have to be an enormous alien constructed device. It could not be built solely of the kinds of materials we're familiar with, in order to be of a size similar to that of a star but not collapse under its own gravitational attraction, because we don't know of any substances that would be strong enough. Its ability to emit light intensity comparable with a star's is beyond our understanding, by many orders of magnitude, especially given that the heat and radiation would weaken its structure, and the need for some power source. Another possible, albeit even more implausible, explanation is that some alien technology has somehow forced a real star to assume that shape while still doing fusion and emitting light consistent with a star's spectrum.&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;&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;The title text puns on the * symbol (an {{w|asterisk}} - meaning little star), which is sometimes called a star, and is often used to indicate {{w|Note (typography)|footnotes}} in text. A &amp;quot;big asterisk&amp;quot; is used as a metaphor for a rather large caveat or significant reservations about the statement being made, suggesting that such qualifications would form a long footnote. This could be interpreted as meaning that the existence of the &amp;quot;typographical star system&amp;quot; is significantly doubtful. Alternatively, it could be read as meaning that the &amp;quot;big asterisk&amp;quot; is a physically very large (astronomical scale) symbol, which forms part of a system composed of other bodies in the form of typography.&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;The title text puns on the * symbol (an {{w|asterisk}} - meaning little star), which is sometimes called a star, and is often used to indicate {{w|Note (typography)|footnotes}} in text. A &amp;quot;big asterisk&amp;quot; is used as a metaphor for a rather large caveat or significant reservations about the statement being made, suggesting that such qualifications would form a long footnote. This could be interpreted as meaning that the existence of the &amp;quot;typographical star system&amp;quot; is significantly doubtful. Alternatively, it could be read as meaning that the &amp;quot;big asterisk&amp;quot; is a physically very large (astronomical scale) symbol, which forms part of a system composed of other bodies in the form of typography.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>BunsenH</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;diff=405079&amp;oldid=prev</id>
		<title>Kynde at 14:45, 7 February 2026</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3203:_Binary_Star&amp;diff=405079&amp;oldid=prev"/>
				<updated>2026-02-07T14:45:18Z</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;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&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 14:45, 7 February 2026&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-l28&quot; &gt;Line 28:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 28:&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;[[Category:Comics with inverted brightness]]&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;[[Category:Comics with inverted brightness]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&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 style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:News]]&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;div&gt;[[Category:Astronomy]]&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;[[Category:Astronomy]]&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;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:News]]&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Kynde</name></author>	</entry>

	</feed>