宇宙英文幻灯片ppt课件

宇宙全景图Universepanorama,Theuniverseismysterious,anditisfulloftemptation.Itismadeupoftimeandspace.,Accordingtodifferentuniversalmodel.Scientistsestimate(估计)thattheuniversesageisbetweentenbillionandsixteenbillion,Accordingtothebigbangmodel（宇宙大爆炸）tocalculatetheuniverse,theuniverseisabout13.7billionyearsinage.,Therearemanygalaxies（星系）intheuniverse.IncludingtheMilkyWaygalaxy（银河系）andtheriver（河外星系）,河外星系,Outsidethegalaxy河外星系,MilkyWaygalaxy银河系,河外星系,虫洞,Thefollowingareafewofthemagicalthings,黑洞,Ablackholeisastronggravityofobjects.Anditcanthavebeenengulfingmaterial.（黑洞是一种引力极强的天体，它并不是一直吞噬物质.）,Atthesametime,theblackholereleasestheprotonsandtherays。同时，黑洞也向外释放质子和射线,Accordingtothelatestsuperstringtheory（超弦理论）.Ouruniverseiselevendimensional（维）,十一维空间,三维空间,暗物质,Darkmatterreferstothosewhoownnotemitelectromagneticradiation,andalsonotinteractwiththeelectromagneticmaterial暗物质是指那些自身不发射电磁辐射，也不与电磁波相互作用的一种物质,暗物质,Peoplecurrentlyonlythroughthegravitationaleffectoftheuniverselearnthatthereisaamountofdarkmatterexists.人们目前只能通过引力产生的效应得知宇宙中有大量暗物质的存在。,Therearefundamentalparticlesintheuniverse宇宙中存在着基本粒子。,theyconsistofthebasicmaterialminimumunit.它们是构成物质的最小最基本的单位,Atpresentpeoplehavefound1billionOutsidethegalaxies.,Taurusthecrabnebula金牛座蟹状星云,Cygnusopenclusters天鹅座疏散星团,人马座礁湖星云,TheAndromedanebula仙女座星云,猎犬座球状星团,CanesvortexNebula猎犬座旋涡星云,TheMilkyWay（银河系）weliveinisonlyasmallpartoftheuniverse.Ithasonehundredandtwentybillionstarsandalargenumberofnebula(星云).,ItisthecenteroftheMilkyWaygalaxyabout25000lightyearsaway,Thesolarsystem（太阳系）istheonlyknownexistenceoflifeintheMilkyWaygalaxy.,Ithaseightplanets.金星：Venus地球：Earth火星：Mars木星：Jupiter土星：Saturn天王星：Uranus海王星：Neptune,太阳系,Jupiter（木星）isthelargestplanetinoursolarsystem.,木星,Jupiter（木星）isthelargestplanetinoursolarsystem.ithassixty-threesatellites,Jupiteritselfalsoreleasesenergy,anditmaybecomeastarinbillionsofyearslater,Thisisourbeautifulearth,supernova超新星,TheUniverse,Planetarysystemisthemostbasicofuniverse。Thereareeightplanetsinthesolarsystem.Planetshavethesatellite,asatelliteoftheEarth:theMoon,thereareotherplanetsoutsideoursolarsystem.,行星是组成宇宙的最基本系统.太阳系中共有八大行星,行星都有卫星绕其运转,地球有一个卫星:月球,有证据表明,太阳系外也存在其他行星系统.,Planet,StarsliketheSunisitselfabletoemitlightandheattheplanet.Wehavemorethan100billionstarswithintheMilkyWayGalaxy.Ifeventhousandsofstarstogethertoformastar,thisisthecluster（星团）.Theyfoundthatmorethan1000suchclustersintheMilkyWayGalaxy.,恒星就是像太阳一样本身能发光发热的星球.我们银河系内就有1000多亿颗恒星.如果成千上万颗星聚在一起,形成一团星,这就是星团.银河系里就发现1000多个这样的星团.,Stars,太阳系就是我们现在所在的恒星系统.它是以太阳为中心,8颗行星，至少165颗已知的卫星,和数以亿计的太阳系小天体.,SolarSystem,SolarSystemisthatwearethestarsinoursolarsystem.ItiscenteredontheSun,and8Planetatleast165knownmoons,andbillionsofsolarsystemsmallbody.,Mercury,Venus,Earth,Mars,Jupiter,Saturn,Uranus,Neptune,银河系是太阳系所在的恒星系统,包括一千二百亿颗恒星和大量的星团、星云.它的直径约为100,000多光年,中心厚度约为12,000光年,TheMilkyWay,TheMilkyWayGalaxyistheGalaxystarsystemwherethesolarsystem,including120billionstarsandplentyofstarclusters,Itsmorethan100,000lightyearsindiameter（直径）,Centerthicknessofabout12,000lightyears.,Galaxies,isthestarsintheuniverse“island”,itisoneofthelargestandmostbeautifulcelestialsystem（天体系统)intheuniverse.Todate,about100billiongalaxieshavebeenobservedintheuniverse.Someofthemwehaveclose,someveryfaraway,thefurthestgalaxyknowntodayalmost15billionlightyearsawayfromus.,星系,是宇宙中庞大的星星的岛屿,它也是宇宙中最大、最美丽的天体系统之一.到目前为止,人们已在宇宙观测到了约一千亿个星系.它们中有的离我们较近,有的非常遥远,目前所知最远的星系离我们有将近一百五十亿光年.,Galaxies,Spacethereisadifferencebetweentheuniverse,theuniversecontainsaspace.wearelivinginuniverse:Theuniverseincludedalltheplanets,themilkyway,evenweareallpartoftheuniverse.Theworldwelivein,