Unit4Astronomy:thescienceofthestars课件
日期：2010-02-17 02:09
theMilkyWayThesolarsystemismadeupofthesunandtheobjectsthatorbit(绕轨道而行)itTheseincludethenineplants----Mercury水星，Mars火星，Neptune海王星andPluto冥王星theMilkyWayTheSolarSystemTheSolarsystemWherearewe?Unit4Astronomy:thescienceofthestarsWarmingup1Whenwetalkaboutscience，planetsandothermatterscatteredthroughoutspaceAgalaxyisahugecollectionofstarsheldtogetherbygravityThereareprobablyoverabilliongalaxiesintheuniverseThesunisjustoneofthecommonsizedstarscontainedwithinourhomegalaxy，Saturn土星，whatsubjectwillcomeintoyourmind?Physicschemistrybiologygeologymathematics2SomestudiescombinetwoormorethesesubjectsDiscusswhichsciencesubjectsarepartofmedicine，biochemistry，Uranus天王星，TheuniverseTheMilkyWayTheSolarSystemTheearthTheuniverseismadeupofstars，Jupiter木星，Venus金星，geophysicsorastronomyAstronomyGeophysicsBiochemistryMedicineFrontierSciencemathematicsand，
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