时间简史英语ppt.ppt

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1、《ABriefhistoryoftime》Author：LYWang2Writer"Abriefhistoryoftime"iswrittenbygreatBritishphysicistStephenHawking,whichisatheoreticalphysicspopularizationofscience.3Summary“Abriefhistoryoftime",thisisabookcontainssomanywords,eventheauthorhimselfsaid,thisisaverylongbook,however,timeisnotalw

2、ays,itmaynotbecontainedanyspace,sothetimeisnostartandnoendistheauthorofthebookprofessorhawkingattheendoftheentirebooktoexpresstheultimateintention.4MainContentsIntroduction“Abriefhistoryoftime”,mainlyintroducesthreequestions：1—Whatistheuniverse2—Spaceandtime3—thetheoryofrelativity1-Wh

3、atistheuniverseThebookdoesnotgivetheanswertothe。.Althoughwecan‘tfindanexplanationoftheentireuniversetheory,Butwecanputtheproblemsintomanysmallpieces,andinventedmanypartsofthetheory,everypartofthetheoryexplanationoflimitedscope,whileignoringothereffects.62-SpaceandtimeBeforeEinstein,al

4、mostallpeoplethinkthatistheabsolutetimeandspace.Einsteinfoundedthetheoryofrelativityistellpeople,thereisabsolutelynothings,everythingisrelative.Let'sconsideraspecialcase:imagineauniverse,wherethereisnothing.Forsuchauniverse,timeandspaceismeaningless,becausethereisnowaytomeasurethem.Vi

5、siblespaceandtimeareattachedtothe"objects"toexist.73-thetheoryofrelativityRelativity'sgreatestcontributionistotellusthelighthasspeed,andnothingcanbefasterthanthespeedoflight.ThebigbangisthebeginningoftheuniverseThatall.Thanks