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Iof1816reflehisexperiencearanslationoftheworksofHomer，theyoungEJohethepureserene’in‘realmsofgold’，andued:
&Ilikesomewatcheroftheskies
laswimsintohisken;
OrlikestoutCortezwhenwitheagleeyes
&ar’datthePadallhismen
Look’dateachotherwithawildsurmiseSilent，uponapeakinDarien.
&s’saphorwaseitherinspiredbySirWilliamHerschel’ssightingofUranusin1781，orbydiscoveriesofthefirstfourasteroids（1801–7）.Beihelatterwouldhavebeenfresherinpeople’smemories.AlaymansuchasKeatswouldhavethoughtofthemashoughtodaytheyareregardedastoosmalltoqualify.
Istilltravelin‘realmsofgold’wheurnwithmyowhroughevenasmalltelescope，thoughtheyhassomewhatfadedwheoseeinganewlydisoteice-ballasasinglepixelinadigitalimage，orahintofaJupiter-sizedpaniontoaarexpressedasaminutewobbleiar’sposition.
However，forme，thetrue‘Cortezexperience’reeverIseeaarylandssomecases，acloudsfoldbeforemeobaavisiti.ExplorationofourSolarSystemhasreachedastagethatalloreciateotherplaheirlargesatellitesasworlds，ehgeeologies，aeiesasplexandfasgasthoseofourowh.ManyofthemareplacesthatyouandIpri.Theyarenotgenerallysuitableforapiic，butwecouldatleastjumpupanddown，scoopuphandfulsofdirt，climbahill，orslitherdownintoavalley.Someareevenplaceswherelifemightbefound.
Inthisbook，Iwillsharewithyouwhatisknowniion，ahepresent-dayoftheplasinourSolarSysteHere，astronomersnowofficiallyrelyeightplaohasbeeed，asIwilldescribe），butthereareplentyofotherbodiesbigenoughtobehavelikeplasseologistslikemyselfareed.Thesearefasg，soIwillhoughtheyaretooreatindividually.
Finally，Iwillturs’，laiars.Thefirstwasdiscoveredasretlyas1995，andbynowseveralhundredhavebeeed.WeotseethemiwedohaveenoughinformationtomakesomeparisohelayoutsofthoseexoplaemsandtheSun’sfamily.
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