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solarsystemOursolarsystemconsistsofthesun,eightplanets(andtheirmoons),anasteroidbelt（小行星带）,andmanycomets(彗星)andmeteors（流星）.Mercury(水星)MercuryistheplanetclosesttotheSuninourSolarSystem.Thissmall,rockyplanethasalmostnoatmosphere.itssurfaceissimilartothesurfaceofourMoon.Mercury[‘mə:kjuri]水星achemicalelement.Mercuryisapoisonoussilver-whiteliquidmetal,usedinthermometers.汞；水银Venus(金星)Venusisthesecondplanetfromthesuninoursolarsystem.ItisthehottestplanetinourSolarSystem.Venushasanironcorebutonlyaveryweakmagneticfield.venus[‘vi:nəs]金星VenusdeMilo(AphroditeofMelos)地球(Earth)TheEarthisthethirdplanetfromtheSuninourSolarSystem.ItistheplanetweevolvedonandtheonlyplanetinourSolarSystemthatisknowntosupportlife.Mars（火星）Mars,theredplanet,isthefourthplanetfromthesunandthemostEarth-likeplanetinoursolarsystem.ItisabouthalfthesizeofEarthandhasadry,rockysurfaceandaverythinatmosphere.Jupiter（木星）Jupiteristhefifthandlargestplanetinoursolarsystem.Thisgasgianthasathickatmosphere,39knownmoons,andadark,barely-visiblering.Jupiteriscomposedmostlyofgas.木星Zeus(宙斯)Jupiter[‘dʒu:pitə]（朱庇特）Saturn（土星）Saturnisthesixthplanetfromthesuninoursolarsystem.Itisthesecond-largestplanetinoursolarsystem(Jupiteristhelargest).Ithasbeautifulringsthataremademostlyoficechunks(andsomerock)Saturn[‘sætə(:)n]土星Saturnalia（农神节）isanAncientRomanfestivalthatwasheldinhonorofthegodSaturn（农神）天王星(Uranus)Uranusistheseventhplanetfromthesuninoursolarsystem.Thishuge,icyplanetiscoveredwithcloudsandisencircledbyabeltof11ringsand22knownmoons.Uranus[‘ju:ərənəs]天王星乌拉诺斯海王星(Neptune)Neptuneistheeighthplanetfromthesuninoursolarsystem.Thisgiant,frigidplanethasahazyatmosphereandstrongwinds.Neptune[‘neptju:n]海王星海神波塞冬Plutoisadwarfplanet(orplutonic).Itwasclassifiedasadwarfplanetin2006;beforethatitwasconsideredtobeaplanet,thesmallestplanetinoursolarsystem.冥王星(Pluto)MyVeryExcellentMotherJustSentUsNinePizzas离太阳最近的行星叫做Mercury水星，V是Venus金星，E是Earth地球，M是Mars火星，J是Jupiter木星，S是Saturn土星，U是Uranus天王星，N是Neptune海王星，最后P是Pluto冥王星，非常可爱的Pluto。{}