Introduction-of-Solar-Sy教學(xué)講解課件

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Oursolarsystemisnearlyfivebillionyearsold.Itismadeupofplanets,dwarfplanets,andmorethan170moons,aswellasdust,gas,andthousandsofasteroidsandcomets,allorbitingaroundacentralsun.SolarsystemOursolarsystemisnearlSUN（太陽(yáng)）Everyobjectinthesolarsystemrevolvesaroundthis“average”starthatmakesupabout99%ofthesystem’stotalmass.Withoutenergyfromthesun,lifewouldnotbepossibleonEarth.SUN（太陽(yáng)）Introduction-of-Solar-Sy教學(xué)講解課件Mercury（水星）WithPluto’sdemotiontodwarfplanet,Mercurybecamethesolarsystem’ssmallestplanet.ItsheavilycrateredsurfaceresemblesthatofEarth’smoon.Mercury（水星）Venus（金星）VenusissimilartoEarthinsizeandmass,butitsatmosphereisprimarilycarbondioxide.Apermanentblanketofcloudstrapsheat,creatingsurfacetemperatureshotenoughtomeltlead.Venus（金星）Earth（地球）

Earthinitshistory,EarthlookedmuchlikeitsrockyneighborsMercury,Venus,andMars.Butitsatmosphere,distancefromthesun,andcountlessothervariablesturnedEarthintoahavenforlife.Earth（地球）Mars（火星）Vastnetworksofcanyonsandriverbedsontheredplanethaveledscientiststohypothesizeitoncesupportedawet,warm,Earthlikeclimate.Mars（火星）Jupiter（木星）Thelargestplanetinoursolarsystemisthefirstoftheso-calledgasgiants.Mademostlyofhydrogenandhelium,Jupiterhasnosolidsurface.Itsbandsofcolorfulcloudsarecreatedbyhigh-speedjetstreams.Jupiter（木星）Saturn（土星）Glidingacrossthenightsky,Saturnisamongthemostgracefulsightsinthesolarsystem.Theearliesttelescopeobserversweredazzledbyitsrings—oncethoughttobetheonlyonesamongtheplanets,butnotknowntobecommontoallthegasgiants.Saturn（土星）Uranus（天王星）Thirdofthegasgiantsfromthesun,Uranusappearstoglowblue-greeninthedimsunlightasmethaneinitsupperatmosphereabsorbsredlightwaves.Uranus（天王星）Neptune（海王星）

Theoutermostgaseousplanet’sbluehuecomesfrommethaneinitsouterlayer,whichisalsomadeupofamixtureofheatedhydrogen,helium,andwater.Neptune（海王星）Pluto（冥王星）In2006,petitePlutowasstrippedofitsplanetstatusanddowngradedtoadwarfplanet.Butit’sstillonNASA’sradar–thespaceagencyplanstoexplorePlutoin2015.Pluto（冥王星）Review最小的行星——Mercury（水星）唯一一顆沒(méi)有磁場(chǎng)的行星——Venus（金星）自轉(zhuǎn)最快的行星——Jupiter（木星）密度最小的行星——Saturn（土星）Review最小的行星——Mercury（水星）ReviewMercury（水星）——信使之神Venus（金星）——美麗之神Mars（火星）——戰(zhàn)爭(zhēng)之神Jupiter（木星）——愛(ài)情之神Saturn（土星）——大地之神Uranus（天王星）——天空之神Neptune（海王星）——海洋之神Pluto（冥王星）——地獄之神ReviewMercury（水星）——Introduction-of-Solar-Sy教學(xué)講解課件MadebyElsaRenMadebyElsaRen

Oursolarsystemisnearlyfivebillionyearsold.Itismadeupofplanets,dwarfplanets,andmorethan170moons,aswellasdust,gas,andthousandsofasteroidsandcomets,allorbitingaroundacentralsun.SolarsystemOursolarsystemisnearlSUN（太陽(yáng)）Everyobjectinthesolarsystemrevolvesaroundthis“average”starthatmakesupabout99%ofthesystem’stotalmass.Withoutenergyfromthesun,lifewouldnotbepossibleonEarth.SUN（太陽(yáng)）Introduction-of-Solar-Sy教學(xué)講解課件Mercury（水星）WithPluto’sdemotiontodwarfplanet,Mercurybecamethesolarsystem’ssmallestplanet.ItsheavilycrateredsurfaceresemblesthatofEarth’smoon.Mercury（水星）Venus（金星）VenusissimilartoEarthinsizeandmass,butitsatmosphereisprimarilycarbondioxide.Apermanentblanketofcloudstrapsheat,creatingsurfacetemperatureshotenoughtomeltlead.Venus（金星）Earth（地球）

Earthinitshistory,EarthlookedmuchlikeitsrockyneighborsMercury,Venus,andMars.Butitsatmosphere,distancefromthesun,andcountlessothervariablesturnedEarthintoahavenforlife.Earth（地球）Mars（火星）Vastnetworksofcanyonsandriverbedsontheredplanethaveledscientiststohypothesizeitoncesupportedawet,warm,Earthlikeclimate.Mars（火星）Jupiter（木星）Thelargestplanetinoursolarsystemisthefirstoftheso-calledgasgiants.Mademostlyofhydrogenandhelium,Jupiterhasnosolidsurface.Itsbandsofcolorfulcloudsarecreatedbyhigh-speedjetstreams.Jupiter（木星）Saturn（土星）Glidingacrossthenightsky,Saturnisamongthemostgracefulsightsinthesolarsystem.Theearliesttelescopeobserversweredazzledbyitsrings—oncethoughttobetheonlyonesamongtheplanets,butnotknowntobecommontoallthegasgiants.Saturn（土星）Uranus（天王星）Thirdofthegasgiantsfromthesun,Uranusappearstoglowblue-greeninthedimsunlightasmethaneinitsupperatmosphereabsorbsredlightwaves.Uranus（天王星）Neptune（海王星）

Theoutermostgaseousplanet’sbluehuecomesfrommethaneinitsouterlayer,whichisalsomadeupofamixtureofheatedhydrogen,helium,andwater.Neptune（海王星）Pluto（冥王星）In2006,petitePlutowasstrippedofitsplanetstatusanddowngradedtoadwarfplanet.Butit’sstillonNASA’sradar–thespaceagencyplanstoexplorePlutoin2015.Pluto（冥王星）Review最小的行星——Mercury（水星）唯一一顆沒(méi)有磁場(chǎng)的行星——Venus（金星）自轉(zhuǎn)最快的行星——Jupiter（木星）密度最小的行星——Saturn（土星）Review最小的行星——Mercury（水星）ReviewMercury（水星）——信使之神Venus（金星）