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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b>From:</b> extropy-chat <extropy-chat-bounces@lists.extropy.org> <b>On Behalf Of </b>William Flynn Wallace<br><b>Sent:</b> Monday, August 20, 2018 10:47 AM<br><b>To:</b> ExI chat list <extropy-chat@lists.extropy.org><br><b>Subject:</b> [ExI] physics question<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><span style='font-size:14.0pt;color:black'>There were 400 days in an earth year 620 million years ago.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:14.0pt;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:14.0pt;color:black'>HUh??<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:14.0pt;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:14.0pt;color:black'>bill w<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt'>Ja. The moon drags on the earth thru tides. This gradually moves the moon to a higher orbit and slows the earth’s rotation (angular momentum is conserved.) Eventually the earth and moon will be tide locked, so we might need to go to the other side of the planet to see it.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt'>spike<o:p></o:p></span></p></div></div></div></body></html>