Re: Variations in the MWI multiverse
Psevdo Nim <[email protected]> Mon, 10 Mar 2014 13:33:11 +0100
| Newsgroups | gmane.science.physics.fabric-of-reality |
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| Message-ID | <CAKQcMiYkof2wKUdRhCvrF1DbVJw9gmNYmuNsneddzOWhd_dBNw@mail.gmail.com> |
--089e0149c5f67bdd1304f43fced0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On Sun, Feb 23, 2014 at 7:08 AM, Lee Corbin <[email protected]> wrote:= > > > Consider the set, across the multiverse according to MWI, of solar = systems > essentially similar to ours. This set is much vaster (or, perhaps= , we > should > say, has greater measure or frequency) than the GIU (Group = of Identical > Universes) exactly identical to ours. Our own GIU in which w= e hear > disturbing reports from Ukraine, and in which we perform or can pe= rform > quantum mechanical experiments with specified outcomes, and in whic= h I am > writing and you are later reading this email, is a tiny fraction o= f this > larger set. This larger set includes solar systems, I'm positing, = that > have > eight planets also, but which differ in details concerning th= e planets. > > This entire group of 8-planet solar system parallel universe= s will include > a > subset in which Neptune is about half the size of Uran= us. Do we have any a > priori reason to suspect that the fraction of solar = system parallel > universes containing this half-size Neptune is any less p= robable than our > own? Eventually, of course, something may indeed be prov= ed regarding > Bode's > law that could inflict such a reduction on those; o= n the other hand, > further progress in celestial mechanics might easily sh= ow that half-size > Neptune solar systems are actually more likely to form = than our "full > size" > (greater than 1/2 Uranus radius Neptune) solar sys= tems. > > Within each such collection of half-size Neptune solar systems, w= hat > possible configurations for the Earth are thereby implied, or restric= ted? > That depends somewhat on what you mean by "implied/restricted". I w= ould guess that no particular Earth configuration is ruled out by this. Ho= wever for example the contents of books on that Earth about our planetary s= ystem will tend to be heavily correlated with what the state of affairs act= ually is. So in that sense it very much does "restrict" the possible outco= mes. > None, so far as I have been able to see. Everything that we know= about the > Earth--shall we exclude, say, its approximate mass and distanc= e from the > sun, as part of my initial specification--might just as well h= ave occurred > (did occur, is occurring!) in that collection. For, so vast = is the MWI > multiverse, it's difficult to suggest that configurations in w= hich, say, > the > continents of North America and South America are quite = separate, are any > less frequent than our own, in which the two continents= are linked by an > isthmus. > > (It may amuse the reader that until I adde= d that last specification > regarding the linkage of the two continents, th= is very email was being > written most likely just as often on Earths in wh= ich there is a sizeable > sea > passage between them--but that single quali= fier significantly reduced the > number of people (or I should say their me= asure) reading this, but > obviously > didn't exclude you.) > > Yes, we do = know that a *change* in Neptune's orbit, one, say that occurred > as a resu= lt of a large asteroid collision millions of years ago, will be > chaotical= ly linked by classical physics to what is happening now on Earth. > But suc= h considerations seem to me to underrate the vastness of the > multiverse a= s specified so far in this message. Because, for each > variation > in Nept= une's orbit thus described, there will still be an uncountable set > of > t= hem in which this letter continues in its same form, and what you had for >= breakfast remains the same. > > Before pressing on with the subject, I wou= ld like to know if anyone > objects > to any of the above reasoning. > > th= anks, > Lee Corbin > > > --089e0149c5f67bdd1304f43fced0 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> </head> <body style="background-color: #fff;"> <span style="display:none"> </span> <!--~-|**|PrettyHtmlStartT|**|-~--> <div id="ygrp-mlmsg" style="position:relative;"> <div id="ygrp-msg" style="z-index: 1;"> <!--~-|**|PrettyHtmlEndT|**|-~--> <div id="ygrp-text" > <p><div dir="ltr"><br><div class="gmail_extra"><br><br><div class="gmail_quote">On Sun, Feb 23, 2014 at 7:08 AM, Lee Corbin <span dir="ltr"><<a href="mailto:[email protected]" target="_blank">[email protected]</a>></span> wrote:<br> <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid;"> <u></u> <div> <span> </span> <div> <div> <div> <p>Consider the set, across the multiverse according to MWI, of solar systems <br> essentially similar to ours. This set is much vaster (or, perhaps, we should <br> say, has greater measure or frequency) than the GIU (Group of Identical <br> Universes) exactly identical to ours. Our own GIU in which we hear <br> disturbing reports from Ukraine, and in which we perform or can perform <br> quantum mechanical experiments with specified outcomes, and in which I am <br> writing and you are later reading this email, is a tiny fraction of this <br> larger set. This larger set includes solar systems, I'm positing, that have <br> eight planets also, but which differ in details concerning the planets.<br> <br> This entire group of 8-planet solar system parallel universes will include a <br> subset in which Neptune is about half the size of Uranus. Do we have any a <br> priori reason to suspect that the fraction of solar system parallel <br> universes containing this half-size Neptune is any less probable than our <br> own? Eventually, of course, something may indeed be proved regarding Bode's <br> law that could inflict such a reduction on those; on the other hand, <br> further progress in celestial mechanics might easily show that half-size <br> Neptune solar systems are actually more likely to form than our "full size" <br> (greater than 1/2 Uranus radius Neptune) solar systems.<br> <br> Within each such collection of half-size Neptune solar systems, what <br> possible configurations for the Earth are thereby implied, or restricted? <br></p></div></div></div></div></blockquote><div>That depends somewhat on what you mean by "implied/restricted".</div><div><br></div><div> I would guess that no particular Earth configuration is ruled out by this. </div><div> </div><div>However for example the contents of books on that Earth about our planetary system will tend to be heavily correlated with what the state of affairs actually is. </div> <div><br></div><div>So in that sense it very much does "restrict" the possible outcomes. </div><div><br></div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid;"> <div><div><div><div><p> None, so far as I have been able to see. Everything that we know about the <br> Earth--shall we exclude, say, its approximate mass and distance from the <br> sun, as part of my initial specification--might just as well have occurred <br> (did occur, is occurring!) in that collection. For, so vast is the MWI <br> multiverse, it's difficult to suggest that configurations in which, say, the <br> continents of North America and South America are quite separate, are any <br> less frequent than our own, in which the two continents are linked by an <br> isthmus.<br> <br> (It may amuse the reader that until I added that last specification <br> regarding the linkage of the two continents, this very email was being <br> written most likely just as often on Earths in which there is a sizeable sea <br> passage between them--but that single qualifier significantly reduced the <br> number of people (or I should say their measure) reading this, but obviously <br> didn't exclude you.)<br> <br> Yes, we do know that a *change* in Neptune's orbit, one, say that occurred <br> as a result of a large asteroid collision millions of years ago, will be <br> chaotically linked by classical physics to what is happening now on Earth. <br> But such considerations seem to me to underrate the vastness of the <br> multiverse as specified so far in this message. Because, for each variation <br> in Neptune's orbit thus described, there will still be an uncountable set of <br> them in which this letter continues in its same form, and what you had for <br> breakfast remains the same.<br> <br> Before pressing on with the subject, I would like to know if anyone objects <br> to any of the above reasoning.<br> <br> thanks,<br> Lee Corbin<br> <br> </p> </div> <div style="color:rgb(255,255,255);"></div> </div> </div></div></blockquote></div><br></div></div> </p> </div> <!--~-|**|PrettyHtmlStart|**|-~--> <div style="color: #fff; height: 0;">__._,_.___</div> <div style="clear:both"> </div> <table cellspacing=4px style="margin-top: 20px; margin-bottom: 10px;"> <tbody> <tr> <td style="font-size: 12px; font-family: arial; font-weight: bold; padding: 7px 5px 5px; color: #FFF; background-color: #F2F2F2; border: 1px solid #EAEAEA " > <a style="text-decoration: none; color: #2D50FD" href="https://groups.yahoo.com/neo/groups/Fabric-of-Reality/conversations/messages/25633;_ylc=X3oDMTJxbWpua2hvBF9TAzk3MzU5NzE0BGdycElkAzE4ODg2MDAEZ3Jwc3BJZAMxNzA1MDIwNTg1BG1zZ0lkAzI1NjMzBHNlYwNmdHIEc2xrA3JwbHkEc3RpbWUDMTM5NTMwODc3OA--?act=reply&messageNum=25633">Reply via web post</a> </td> <td style="font-size: 12px; font-family: arial; padding: 7px 5px 5px; color: #FFF; background-color: #F2F2F2; border: 1px solid #EAEAEA; " > <a href="mailto:[email protected]?subject=Re%3A%20Variations%20in%20the%20MWI%20multiverse" style="text-decoration: none; color: #2D50FD;"> Reply to sender </a> </td> <td style="font-size: 12px; font-family: arial; padding: 7px 5px 5px; color: #FFF; background-color: #F2F2F2; border: 1px solid #EAEAEA; "> <a href="mailto:[email protected]?subject=Re%3A%20Variations%20in%20the%20MWI%20multiverse" style="text-decoration: none; color: #2D50FD"> Reply to group </a> </td> <td style="font-size: 12px; font-family: arial; padding: 7px 5px 5px; color: #FFF; background-color: #F2F2F2; border: 1px solid #EAEAEA; " > <a href="https://groups.yahoo.com/neo/groups/Fabric-of-Reality/conversations/newtopic;_ylc=X3oDMTJlNWR1NW42BF9TAzk3MzU5NzE0BGdycElkAzE4ODg2MDAEZ3Jwc3BJZAMxNzA1MDIwNTg1BHNlYwNmdHIEc2xrA250cGMEc3RpbWUDMTM5NTMwODc3OA--" style="text-decoration: none; color: #2D50FD">Start a New Topic</a> </td> <td style="font-size: 12px; font-family: arial; padding: 7px 5px 5px; color: #2D50FD; background-color: #F2F2F2; border: 1px solid #EAEAEA; " > <a href="https://groups.yahoo.com/neo/groups/Fabric-of-Reality/conversations/topics/25631;_ylc=X3oDMTM2OG9tY21qBF9TAzk3MzU5NzE0BGdycElkAzE4ODg2MDAEZ3Jwc3BJZAMxNzA1MDIwNTg1BG1zZ0lkAzI1NjMzBHNlYwNmdHIEc2xrA3Z0cGMEc3RpbWUDMTM5NTMwODc3OAR0cGNJZAMyNTYzMQ--" style="text-decoration: none; color: #2D50FD;">Messages in this topic</a> (3) </td> </tr> </tbody> </table> <!------- Start Nav Bar ------> <!-- |**|begin egp html banner|**| --> <div id="ygrp-vital" style="background-color: #f2f2f2; font-family: Verdana; font-size: 10px; margin-bottom: 10px; padding: 10px;"> <span id="vithd" style="font-weight: bold; color: #333; text-transform: uppercase; "><a href="https://groups.yahoo.com/neo/groups/Fabric-of-Reality/info;_ylc=X3oDMTJlY3I1cjFuBF9TAzk3MzU5NzE0BGdycElkAzE4ODg2MDAEZ3Jwc3BJZAMxNzA1MDIwNTg1BHNlYwN2dGwEc2xrA3ZnaHAEc3RpbWUDMTM5NTMwODc3OA--" style="text-decoration: none;">Visit Your Group</a></span> <ul style="list-style-type: none; margin: 0; padding: 0; display: inline;"> <li style="border-right: 1px solid #000; font-weight: 700; display: inline; padding: 0 5px; margin-left: 0;"> <span class="cat"><a href="https://groups.yahoo.com/neo/groups/Fabric-of-Reality/members/all;_ylc=X3oDMTJmaG1taHBvBF9TAzk3MzU5NzE0BGdycElkAzE4ODg2MDAEZ3Jwc3BJZAMxNzA1MDIwNTg1BHNlYwN2dGwEc2xrA3ZtYnJzBHN0aW1lAzEzOTUzMDg3Nzg-" style="text-decoration: none;">New Members</a></span> <span class="ct" style="color: #ff7900;">1</span> </li> </ul> </div> <div id="ft" style="font-family: Arial; font-size: 11px; margin-top: 5px; padding: 0 2px 0 0; clear: both;"> <a href="https://groups.yahoo.com/neo;_ylc=X3oDMTJkajcyODk3BF9TAzk3NDc2NTkwBGdycElkAzE4ODg2MDAEZ3Jwc3BJZAMxNzA1MDIwNTg1BHNlYwNmdHIEc2xrA2dmcARzdGltZQMxMzk1MzA4Nzc4" style="float: left;"><img src="http://l.yimg.com/ru/static/images/yg/img/email/new_logo/logo-groups-137x15.png" height="15" width="137" alt="Yahoo! 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