https://www.explainxkcd.com/wiki/index.php?action=history&feed=atom&title=Talk%3A3255%3A_Planetary_Science 2026-06-05T18:53:42Z Revision history for this page on the wiki MediaWiki 1.30.0 https://www.explainxkcd.com/wiki/index.php?title=Talk:3255:_Planetary_Science&diff=414312&oldid=prev 2026-06-05T18:25:19Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr style="vertical-align: top;" lang="en"> <td colspan="2" style="background-color: white; color:black; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: white; color:black; text-align: center;">Revision as of 18:25, 5 June 2026</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l3" >Line 3:</td> <td colspan="2" class="diff-lineno">Line 3:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="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;"><div>: &quot;Sentient&quot; :D :D [[Special:Contributions/130.76.187.47|130.76.187.47]] 14:58, 5 June 2026 (UTC)</div></td><td class='diff-marker'>&#160;</td><td style="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;"><div>: &quot;Sentient&quot; :D :D [[Special:Contributions/130.76.187.47|130.76.187.47]] 14:58, 5 June 2026 (UTC)</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="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;"><div>:I used to think there was intelligent life. Then they elected Trump. [[User:Barmar|Barmar]] ([[User talk:Barmar|talk]]) 15:39, 5 June 2026 (UTC)</div></td><td class='diff-marker'>&#160;</td><td style="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;"><div>:I used to think there was intelligent life. Then they elected Trump. [[User:Barmar|Barmar]] ([[User talk:Barmar|talk]]) 15:39, 5 June 2026 (UTC)</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="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;"><div><ins style="font-weight: bold; text-decoration: none;">Earth can be used as a test case for detectors of life. If your method is not detecting life on earth, then your detector produces too many false negatives. For instance the galileo space probe was tested with Earth during a fly-by, https://en.wikipedia.org/wiki/Galileo_project#Remote_detection_of_life_on_Earth. --[[Special:Contributions/2001:4091:A241:81DC:E857:F66B:684E:C4FD|2001:4091:A241:81DC:E857:F66B:684E:C4FD]] 18:25, 5 June 2026 (UTC)</ins></div></td></tr> </table>

2001:4091:A241:81DC:E857:F66B:684E:C4FD https://www.explainxkcd.com/wiki/index.php?title=Talk:3255:_Planetary_Science&diff=414307&oldid=prev 2026-06-05T15:39:48Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr style="vertical-align: top;" lang="en"> <td colspan="2" style="background-color: white; color:black; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: white; color:black; text-align: center;">Revision as of 15:39, 5 June 2026</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l2" >Line 2:</td> <td colspan="2" class="diff-lineno">Line 2:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="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;"><div>Hey I discovered sentient creatures on the planet! --[[User:Kirinhatchi|Kirinhatchi]] ([[User talk:Kirinhatchi|talk]]) 14:37, 5 June 2026 (UTC)</div></td><td class='diff-marker'>&#160;</td><td style="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;"><div>Hey I discovered sentient creatures on the planet! --[[User:Kirinhatchi|Kirinhatchi]] ([[User talk:Kirinhatchi|talk]]) 14:37, 5 June 2026 (UTC)</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="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;"><div>: &quot;Sentient&quot; :D :D [[Special:Contributions/130.76.187.47|130.76.187.47]] 14:58, 5 June 2026 (UTC)</div></td><td class='diff-marker'>&#160;</td><td style="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;"><div>: &quot;Sentient&quot; :D :D [[Special:Contributions/130.76.187.47|130.76.187.47]] 14:58, 5 June 2026 (UTC)</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="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;"><div><ins style="font-weight: bold; text-decoration: none;">:I used to think there was intelligent life. Then they elected Trump. [[User:Barmar|Barmar]] ([[User talk:Barmar|talk]]) 15:39, 5 June 2026 (UTC)</ins></div></td></tr> </table>

Barmar https://www.explainxkcd.com/wiki/index.php?title=Talk:3255:_Planetary_Science&diff=414304&oldid=prev 2026-06-05T14:58:21Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr style="vertical-align: top;" lang="en"> <td colspan="2" style="background-color: white; color:black; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: white; color:black; text-align: center;">Revision as of 14:58, 5 June 2026</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="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;"><div>&lt;!-- Please sign your posts with ~~~~ and don't delete this text. New comments should be added at the bottom. --&gt;</div></td><td class='diff-marker'>&#160;</td><td style="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;"><div>&lt;!-- Please sign your posts with ~~~~ and don't delete this text. New comments should be added at the bottom. --&gt;</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="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;"><div>Hey I discovered sentient creatures on the planet! --[[User:Kirinhatchi|Kirinhatchi]] ([[User talk:Kirinhatchi|talk]]) 14:37, 5 June 2026 (UTC)</div></td><td class='diff-marker'>&#160;</td><td style="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;"><div>Hey I discovered sentient creatures on the planet! --[[User:Kirinhatchi|Kirinhatchi]] ([[User talk:Kirinhatchi|talk]]) 14:37, 5 June 2026 (UTC)</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="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;"><div><ins style="font-weight: bold; text-decoration: none;">: &quot;Sentient&quot; :D :D [[Special:Contributions/130.76.187.47|130.76.187.47]] 14:58, 5 June 2026 (UTC)</ins></div></td></tr> </table>

130.76.187.47 https://www.explainxkcd.com/wiki/index.php?title=Talk:3255:_Planetary_Science&diff=414294&oldid=prev 2026-06-05T14:37:41Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr style="vertical-align: top;" lang="en"> <td colspan="2" style="background-color: white; color:black; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: white; color:black; text-align: center;">Revision as of 14:37, 5 June 2026</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="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;"><div>&lt;!-- Please sign your posts with ~~~~ and don't delete this text. New comments should be added at the bottom. --&gt;</div></td><td class='diff-marker'>&#160;</td><td style="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;"><div>&lt;!-- Please sign your posts with ~~~~ and don't delete this text. New comments should be added at the bottom. --&gt;</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="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;"><div><ins style="font-weight: bold; text-decoration: none;">Hey I discovered sentient creatures on the planet! --[[User:Kirinhatchi|Kirinhatchi]] ([[User talk:Kirinhatchi|talk]]) 14:37, 5 June 2026 (UTC)</ins></div></td></tr> </table>

Kirinhatchi https://www.explainxkcd.com/wiki/index.php?title=Talk:3255:_Planetary_Science&diff=414283&oldid=prev 2026-06-05T13:08:24Z

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