DeviatedfromtheorbitofMercuryZhengyuangreatextent,thesunonlyrecentlyPitch46001000meters,farpointson710001000metershave,inrecentdaysatthetrackitinaveryslowspeedbyrunningforwardprecessionaroundthesun(precession:Axisfrommovingintothespringequinox,theslowwestwardrun,theannualrateof0.2",about25,800yearsrunningaweektoreturntothestarthantheshortphenomenon.Precession,andthetwoplanetsprecession,whichisdeterminedbyplanetarygravityoftheeclipticArisingfromthechanges.)Inthe19thcentury,astronomersradiusoftheorbitofMercuryhadaverycarefulobservation,butwereunabletouseNewton'smechanicstomaketheappropriateexplanation.ExistsintheactualobservationtonoticethevalueandvaluesbetweentheIsasubtledifferenceinthesecondary(perone-seventhoftheMillenniumdifference)butplaguedbyastronomersfordecadestheissue.SomepeoplethinkthatinandaroundtheorbitofMercuryontheexistenceofaplanetother(sometimesknownastheVulcan,"VulcanStar"),whichtoexplainthesedifferences,theresultsofthefinalanswerquitedramatic:Einstein'sgeneraltheoryofrelativity.Acceptableintheearlyrecognitionofthistheory,Mercuryrunningthecorrectnoticeisaveryimportantfactor.(MercuryBecausethesun'sgravitationalfieldandturnarounditspublic,andthesunisextremelyenormousgravitationalfield,accordingtogeneralrelativitypointofview,thequalityofagravitationalfield,thegravitationalfieldcanberegardedasquality,thegiantgravitationalfieldcanbeseenasquality,asmallgravitationalfield,Deviatedfromitsorbittothepublic.Electromagneticwavessimilartothedivergence,changesinthemagneticfieldgenerated,changesinthemagneticfieldproduced,transmittedtothedistance.-YiZhu)

　　In1962,peoplehavealwaysthoughtthatMercury'srotationweektoweekandthetimeisthesame,sothatthefaceofthesun'ssidealwaysthesame.ThismoonisalwaysthesamefacetowardEarth-isverysimilar.Butin1965,throughtheDopplerradarobservedthatthistheoryiswrong.NowthatwehavetoMercuryinthetwoweeksoftherotationthreeweeks,Mercuryistheonlyknownsolarsysteminthecurrentcycleofrevolutionandrotationcycleswerenotfixedratioof1:1objects.

　　BecauseofthesecircumstancesandMercuryorbitextremedeparturefromZhengYuan,willallowtheobserverstoseeMercuryverystrangescene,inacertainlongitudeobserverswillseewhenthesunriseslater,withitsslow-movingtowardszenith,Willgraduallyclearthatincreasedsize.Zenithinthesunwillcometoahalt,afterabriefsetbackprocess,stalledagain,andthencontinueitsjourneytothehorizon,andobviouslyreduced.Inthemeantime,thestarswhowillbethreetimesfasterCangshootwiththespeedofair.Mercurysurfaceinsomeotherplaceoftheobserverwillseeadifferentbutthesameisunusualmovementsofcelestialbodies.

　　Mercury'stemperatureisthelargestofthesolarsystem,thetemperaturerangeof90to700openopen.Bycontrast,thetemperatureslightlyhigherthanthoseofVenus,butmorestable.

　　MercuryandtheMooninmanywayssimilartoitsmanycratersonthesurfacebutveryold;Italsodidnotplatemovement.Ontheotherhand,Mercury'sdensityismuchgreaterthanthemoon,(Mercury5.43g/ccmoon3.34g/cc).Mercuryistheonlyplanetinthesolarsystem,thesecondlargestdensityofthecelestialbo