地球为什么是圆的-

精编WORD文档下载可编缉打印下载文档，远离加班熬夜地球为什么是圆的?篇一：地球为什么是圆的龙源期刊网.cn地球为什么是圆的作者：黄小平来源：《视野》2021年第18期大师问弟子：“地球为什么是圆的？”“也许上帝在造地球时，就把它造成了圆的。”弟子说。“上帝为什么要把地球造成圆的呢？”大师问。“也许，是随意而为，上帝也没有想太多。”弟子说。“不，上帝把地球造成圆的，是有意的。”大师说，“上帝是以此来告诉人们，因为地球是圆的，所以无论在哪里，都不是尽头，无论走到哪里，都不是绝境，都还会有路可走。”（胡云珊荐）篇二：地球为什么是圆的地球为什么是圆的，我一直不解山东省滨州经济开发区第一中学256606徐孟举楼主：地球为什么是圆的，我一直不解……地球是圆的话，那么生活在地表上的人是怎么回事，地表的边缘又是什么样子，如果是圆的那不是没有边缘吗？谁能给我详细讲一下，或者用图来解释更好……下面大家来讨论讨论，谈谈你所知道的有关地球面貌的精编WORD文档下载可编缉打印下载文档，远离加班熬夜情况和自己的想法。秋水伊人：地球并不是标准的球体，其实是一个赤道略鼓的椭球体不过鼓得太不明显了。而地球为什么会形成这种形状呢？你可以想象一下，一盆水放在地上，水面是平的，无论我们如何倾斜容器只要保证水不撒出来，水面都是平的，也就是说水面与重力方向垂直。那么，现在这盆水就是组成地球的物质，这些物质的表面无论如何都要与重力方向垂直，而重力是竖直向下指向地心的，所以，地球就变成圆的了。青青草：地球不是完全圆黄河人家：觉得秋水伊人说的很有道理。但是既然如果把地球比作一个水盆的话，这盆水是组成地球的物质，那么地球大陆的边境是什么样子，能解释一下吗，这样看地球还是有边缘的啊，那地球不就是个半圆了，在加上些大气层，由于重力是指向地心的，而水平面与重力方向垂直……这还可以解释为什么地球是椭圆。在水一方：楼主可以像麦哲伦那样自己走一圈。现在如果你比较有钱应该不难。篇三：为什么我们相信地球是圆的Unit3Warm-UpQuestions1.Whatwouldyousaytosomeonewhobelievedtheearth精编WORD文档下载可编缉打印下载文档，远离加班熬夜isflatratherthanround？2.Shouldwebelieveeverythingexpertstellus?3.Wheredoesmostofourknowledgecomefrom?Fromourownexperienceorfromwhatwelearnfromothers?Canyouprovethattheearthisround?Goaheadandtry!Willyourelyonyoursensesorwillyouhavetodrawontheopinionsofexperts?WhyDoWeBelieveThattheearthIsRoundGeorgeOrwellSomewhereorother—IthinkitisintheprefacetoSaintjoan—BernardShawremarksthatwearemoregullibleandsuperstitioustodaythanwewereintheMiddleAges,andasanexampleofmoderncredulityhecitesthewidespreadbeliefthattheearthisround.Theaverageman,saysShaw,canadvancenotasinglereasonforthinkingthattheearthisround.Hemerelyswallowsthistheorybecausethereissomethingaboutitthatappealstothetwentieth-centurymentality.Now,Shawisexaggerating,butthereissomethinginwhathesays,andthequestionisworthfollowingup,forthesakeoflightitthrowsonmodernknowledge.Justwhydowebelievethattheearthisround?Inotspeakingof精编WORD文档下载可编缉打印下载文档，远离加班熬夜thefewthousandastronomers,geographersandsoforthwhocouldgiveocularproof,orhaveatheoreticalknowledgeoftheproof,butoftheordinarynewspaper-readingcitizen,suchasyouorme.AsfortheFlatEarththeory,IbelieveIcouldrefuteit.Ifyoustandbytheseashoreonaclearday,youcanseethemastsandfunnelsofinvisibleshipspassingalongthehorizon.Thisphenomenoncanonlybeexplainedbyassumingthattheearth’ssurfaceiscurved.Butitdoesnotfollowthattheearthisspherical.ImagineanothertheorycalledtheOvalEarththeory,whichclaimsthattheearthisshapedlikeanegg.WhatcanIsayagainstit?AgainsttheOvalEarthman,thefirstcardIcanplayistheanalogyofthesunandmoon.TheOvalEarthmanpromptlyanswersthatIdon’tknow,bymyownobservation,thatthosebodiesarespherical.Ionlyknowthattheyareround,antheymayperfectlywellbeflatdiscs.Ihavenoanswertothatone.Besides,hegoeson,whatreasonhaveIforthinkingthattheearthmustbethesameshapeasthesunandmoon?Ican’tanswerthatoneeither.精编WORD文档下载可编缉打印下载文档，远离加班熬夜Mysecondcardistheearth’sshadow:whencastonthemoonduringeclipses,itappearstobetheshadowofaroundobject.ButhowdoIknow,demandstheOvalEarthman,thateclipsesofthemoonarecausedbytheshadowoftheearth?TheansweristhatIdon’tknow,buthavetakenthispieceofinformationblindlyfromnewspaperarticlesandsciencebookletsDefeatedintheminorexchanges,Inowplaymyqueenoftrumps:theopinionofexperts.TheastronomerRoyal,whooughttoknow,tellsmethattheearthisround.TheOvalEarthmancoversthequeenwithhisking.HaveItestedtheAstronomerRoyal’sstatement,andwouldIevenknowawaytestingit?HereIbringoutmyace.Yes,Idoknowonetest.Theastronomerscanforetelleclipses,andthissuggeststhattheiropinionsaboutthesolarsystemareprettysound.Iam,tomydelight,justifiedinacceptingtheirsay-soabouttheshapeoftheearth.IftheOvalEarthmananswers—whatIbelieveistrue—thattheancientEgyptians,whothoughtthesungoesroundtheearth,couldalsopredicteclipses,thenbanggoesmyace.Ihaveonlyonecardleft:navigation.Peoplecansailshipsroundtheworld,andreachtheplacesthey精编WORD文档下载可编缉打印下载文档，远离加班熬夜aimat,bycalculationswhichassumethattheearthisspherical.IbelievethatfinishestheOvalEarthman,thougheventhenhemaypossiblyhavesomekindofcounter.Itwillbeseenthatmyreasonforthinkingthattheearthisroundareratherprecariousones.Yetthisisanexceptionallyelementarypieceofinformation.OnmostotherquestionsIshouldhavetofallbackontheexpertmuchearlier,andwouldbelessabletotesthispronouncements.Andmuchgreaterpartofourknowledgeisatthislevel.Itdoesnotrestonreasoningoronexperiment,butonauthority.Andhowcanitbeotherwise,whentherangeofknowledgeissovastthattheexperthimselfisanignoramusassoonashestraysawayfromhisownspecialty?Mostpeople,ifaskedtoprovethattheearthisround,wouldnotevenbothertoproducetheratherweakargumentsIhaveoutlinedabove.Theywouldstartoffbysayingthat“everyoneknows”theearthtoberound,andifpressedfurther,wouldbecomeangry.InawayShawisright.Thisiscredulousage,andtheburdenofknowledgewhichwenowhavetocarryispartlyresponsible.[774words]精编WORD文档下载可编缉打印下载文档，远离加班熬夜译文：你能证明地球是圆的吗？来试试看吧！你将依靠你自己的智力还是不得不引用专家的观点呢？我们为什么相信地球是圆的？乔治·奥韦尔记得在什么地方——我想是在《圣女贞德》序言中——萧伯纳评论说，今天我们比在中世纪更加轻信，更加迷信。而作为现代轻信的例证，他举出地圆说这一个广为传播的信念。萧伯纳说，普通人举不出一条理由来说明为什么相信地球是圆的。他全盘接受这一理论，只是因为这一理论中有一种迎合20世纪心态的东西。当然，萧伯纳是夸大其词了。但他说的也确实有些道理。这一问题值得经一步探讨，因为它会帮助人们看清现代知识的真实情况。我们究竟为什么会相信地球是圆的呢？我说的不是数千位天