搜索
Unit4Astronomy：ThescienceofthestarsSciencesubjects:•Physics•Chemistry•Biology•Geology•Mathematics•Medicine•Biochemistry•AstronomyAstronomyisthescientificstudyoftheuniverseandtheheavenbodies,(suchasthesunthemoonandthestars),gasanddustwithinit.Whatisastronomy?Doyouknowanyastronomerfromancienttimeandmoderntime,Chinaandothercountries?AlbertEinsteinAlbertEinstein(1879–1955)wasaGerman-borntheoreticalphysicist.Hedevelopedthegeneraltheoryofrelativity,oneofthetwopillarsofmodernphysicsIsaacNewtonIsaacNewton（1642–1727）wasanEnglishphysicist，mathematicianandastronomerwhoiswidelyrecognizedasoneofthemostinfluentialscientistsofalltimeandplayedakeyroleinthescientificrevolution.StephenHawkingStephenHawking,born8January1942,isanEnglishtheoreticalphysicist,astronomer.Amonghissignificantscientificworkshavebeenintheframeworkofgeneralrelativity,andthetheoreticalpredictionthatblackholesemitradiation.Whatdoyouknowaboutthesolarsystem?Solarsystem:ismadeupofthesunandtheobjectsthatorbit(盘绕)it.Theseincludetheeightplanetsandtheirmoons（卫星）,aswellascomets（彗星）,andmeteors（流星）Thesolarsystem冥王星海王星天王星土星木星火星地球金星水星太阳彗星小行星带•Eightpalnets•Manycomets•Otherobjects(comet)(earth)ScientistsnowthinkPlutoistoosmalltobecalledaplanet.THESOLARSYSTEMCanyounameeachplanetcorrectlyusingthelettersgiveninthetablebelow?A.地球______B.木星______C.火星______D.水星________E.海王星_______F.冥王星_______G.土星________H.天王星_______I.金星________EarthJupiterMarsMercuryNeptunePlutoSaturnUranusVenus['plu:təu]['sæt(ə)n]['juərənəs]['viːnəs]['neptju:n]EarthHowlifebeganontheearthPanguseparatestheskyfromtheearth.Nvwamadehumans.BigBangAsolidballAtmosphereTheearthwaterPlantsinthewaterShellfishandfishPlantsonlandInsectsandamphibiansReptilesDinosaursMammalswatergreenplantsonland234HowlifebeganontheearthAnalysing5678forestsshellfishandallsortsoffishinsects(onland)amphibians(onlandandinwater)reptiles(onland)dinosaurs(onland)mammals(onland)smallcleveranimalswithhandsandfeethumansmallplantsinwater1Theconcreteformsoflife•Smallplantsgrowinginthewater•Shellfishandotherfishappear•Plantsbegintogrowondrylands•Insectsandamphibiansappear•Reptilesappear•Dinosaursappear•MammalsappearThankme