The_Mystery_of_Bermuda_Triangle 百慕大三角洲的神秘ppt课件.ppt

BermudaTriangle,TheMysteryofBermudaTriangle,1,Introduction,BERMUDATriangle(百慕大三角)isthegreatestmodernmysteryofoursupposedly（恐怕，可能，按照推测）wellunderstoodworld:aregionoftheAtlanticOceanbetweenBermuda,Miami,Florida,andSanJuan(圣胡安，波多黎各岛首府),PuertoRico(波多黎各岛),inwhichmanyshipsandairplanesaresaidtohavedisappeared.Thoughnoscientificevidencehasbeenfound,reportsofunexplainedoccurrenceshavecontinuedfromthe19thcenturytothepresent.,2,3,Notableincidents,ListofBermudaTriangleincidents1945:Flight19wasatrainingflightofTBMAvenger（复仇者）bombersthatwentmissingonDecember5,1945,whileovertheAtlantic.1948：OnDecember28,1948,aDouglasDC-3aircraft,disappearedwhileonaflightfromSanJuan,PuertoRico,toMiami.1963：OnAugust28,1963,apairofUSAirForceKC-135Stratotankeraircraftcollided（碰撞）andcrashedintotheAtlantic.,4,1843:USSGrampusschooner（纵帆船）lastseenMarch15presumedsunk（下沉，sink的过去式）inagale（狂风）offCharleston,SouthCarolina.1872Themysteriousabandonmentin1872ofthe282-tonbrigantineMaryCelesteisoftenbutinaccuratelyconnectedtotheTriangle,theshiphavingbeenabandonedoffthecoastofPortugal.1918:USSCyclops,collier,leftBarbados（巴巴多斯）onMarch4,lostwith309crew（全体船员）andpassengersenroutetoBaltimore,Maryland.1921:Afive-masted（有桅的）schoonerbuiltin1919,theCarrollA.DeeringwasfoundhardagroundandabandonedatDiamondShoals,nearCaopHatteras,NorthCarolinaonJanuary31,1921.4.,5,1981：ABritishloosepulleynamedOceanBreezedisappearedinBermuda.8yearslater,itoffthecoastattheoriginalplacewith6crewsafeandsound.1954:CaribbeanSea.ThedriverLoganandNortondroveballoontojoinaballoonoverseasgamewithother50participants.Theweatherwasfineandtheviewwasclearatthatday,suddenly,thisballoondisappearedinthepresenceofall.In1990,theballoondisappearedfor45yearsreappearedattheseabetweenCubaandnorthAmerica.,Mysteriesofrecurrence,6,In1945,awarshipwashitbytorpedo(鱼雷),25Americanprivatesdriftedonthesea.But45yearslater,theyweresavedmiraculouslyandeveryoneofthemwasasyoungas45yearsago.Andthosesoldierswhohaddriftforforty-fiveyearsthoughttheyjustdriftforninedays.In1990,aVenezuelansailingreappearedataremotebeach.Itwasmissinginafuracana(飓风)atBermuda24yearsago.Asubmarine(潜水艇)oftheformerSovietunionsailedunderBermudaseaarea.whenitbrokesurfaceoneminutelater,however,itwasontheIndianOceanunexpectedly.Inalmostacrosshalftheearthvoyage,93crewonitagedforfivetotwentyyearsoldabruptly.,7,Untilnowdozensofshipsandplaneshavevanished（销声匿迹，无影无踪）withoutatrace（踪迹）intheareaoftheAtlanticOceanknownastheBermudaTriangle.Butwheredotheygoandwhatiscausingthemtodisappear?,8,Naturalexplanations,1.Magneticfieldversion磁场说2.Blackholeversion黑洞说3.Infrasoundversion次声说4.Waterbridgeversion水桥说5.Clearskyturbulenceversion晴空湍流说6.Aliensversion外星人说7.Methanehydratesversion可燃冰说8.Roguewaves潮汐波,9,WhatsmoreotherareasalsooftenpurportedtopossessunusualcharacteristicsaretheDevilsSea,locatednearJapan,andtheMarysburghVortexortheGreatLakesTriangle,locatedineasternLakeOntario.,10,Conclusion,Inshort,themysteryoftheBermudaTrianglebecameamysterybyakindofcommunalreinforcementamonguncriticalautho