SolarSystemProfileMercuryEquatorialradius2439kmRotationperiod58.65daysPeriodofrevolution87.97daysMercurySurfaceisnotadropofwater.Thehighesttemperaturesofupto350℃.Theminimumtemperatureisonly-170℃.AnyLifecannotsurviveVenusEquatorialradius6051kmRotationperiod243.01daysPeriodofrevolution224.7daysVenus'srotationisveryspecial,Rotationdirectioncontrarytootherplanets,Itisfromeasttowest,Therefore,Venuspointofview,thesunrisefromwestandsundownineast.Venushasarotationperiodof243days.Orbitalperiodof224.7days.SoadayonVenusislongerthanyears.VenushasverythickcarbondioxideAtmosphere,Nowater.Itcloudscomposedofsulfuricaciddroplets.Venus'sthickatmosphereofcarbondioxidecausedbythepowerfulgreenhouseeffect“.Surfacetemperaturesupto460℃EarthDiameter12,756kmSurfacetemperature-89℃~58℃Rotationperiod1dayPeriodofrevolution365.24daysGaseousstateLiquidstateSolidstateEquatorialradius3398kmRotationperiod1.026daysPeriodofrevolution686.98daysMarspolarcapPolarcapsizeissignificantchangewiththeseasonsMarsatmosphericconcentrationofonlyEarth1%TheMartiandaytimetemperaturedoesnotexceed0℃Thenightminus120℃MountOlympus,thehighestmountaininthesolarsystem.Greatvolcanoofupto25km,radiusof624kilometers.PhobosDemosTherearemanyasteroidsbetweenMarsandJupiter,Aboutfewkilometersradius.Accordingtoastronomersestimate,Theasteroidnumberabouttensofthousandsofpiecesof.JUPITEREquatorialradius71398kmRotationperiod0.41daysPeriodofrevolution11.86yearsJupiteristhelargestplanetinthesolarsystem,ItsvolumeathousandtimesmorethantheEarth's.Qualitymorethanthesumofthequalityoftheothersevenplanetsinthesolarsystem.Jupiterrotatesonceevery10hours.Redandyellowribboncloudswillsweeptheplanet.Inplacesneartheequator,Windspeedashighas480kilometersperhour.埃歐(IO)加尼美德(GANYMEDE)歐羅巴(EUROPA)卡利斯托(CALLISTO)Equatorialradius60330kmRotationperiod0.426daysPeriodofrevolution29.46yearsSaturn'sbeautifulringiscomposedofnumeroussmallobjects,theyrotatearoundtheSaturninSaturn'sequatorialplane.ThepictureshowstheVoyagerⅡfourmillionkilometersfromSaturn'sringstakenlocalphotosSaturnissurroundedbymanysatelliterotatingaroundit.themostfamousTitanisfoundinthesolarsystemsatellite,theonlycelestialatmospheric.Equatorialradius25560kmRotationperiod0.646daysPeriodofrevolution84yearsNeptuneEquatorialradius24760kmRotationperiod0.658daysPeriodofrevolution164.8yearsAdams1845calculatedtheorbitofNeptune.Thankyou