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1、Sunspot太阳黑子的秘密古人认为它们是太阳神脸上生的麻子，抑或太阳内的星辰，现代人猜想它们和UFO以及各种超自然现象密不可分——这种神秘物质就是太阳黑子，它们能量巨大，也会时不时给人类的生活带来麻烦，让我们随本文一起揭开太阳黑子的面纱吧。ByPatrickKiger穆阳选译mediumTheAztecsthoughtthattheirsungodhadpockmarksonhisface.TheancientChinesereferredtothemasstarsinsidethesolarorb.OneRenai
2、ssanceastronomerarguedthattheywereactuallyundiscoveredplanets.Today,somebelievetheirappearanceislinkedtoUFOsightingsandparanormalactivity.Othersofferthemasanalternativeexplanationforhuman-causedclimatechange.Therestofuswonderifthey’rethereasonfordroppedcellphone
3、callsorstatic-plaguedradiostations.We’retalkingaboutsunspots,thosepeculiardarkareasthatpopupregularlyonthesurfaceofthesun.Theyusuallyappearinpairsoringroupsoneithersideofthesun’sequator.Sunspotsvarytremendouslyinsize,rangingfromlessthan200milesacrosstomanytimest
4、hesizeoftheEarth.Somesmallsunspotsmaylastforlessthananhour,butlargeronescanlastuptosixmonths.Somesunspots—suchasonein2004thatmeasured20timesthesizeofourplanet—arebigenoughtobeseenbythenakedeye.AstronomersinancientChinanoticedsunspotsseveralthousandyearsago.TheI-
5、ChingorBookofChanges,whichdatesbacktothe12thcenturyB.C.,mentionsthephenomenon.Thefirstwrittenrecordofasunspotsightingdatesto28B.C.,whenitwasnotedthat“thesunwasyellowatitsrisingandablackvaporaslargeasacoinwasobservedatitscenter.”Ontheothersideoftheworld,theAztecs
6、,whoruledMexicobeforetheSpanisharrivedinthe1500s,alsopaidalotofattentiontothesun.Aswediscussed,theircreationmythfeaturedasungodwithapockmarkedface.InEurope,peoplehadahardertimeacceptingtheexistenceofsunspots.Thatwasbecauseeveryone—includingtheCatholicChurch—acce
7、ptedGreekphilosopherAristotle’sideathattheheavenswereperfectandunchanging.Instead,whenalargesunspotappearedforeightdaysinA.D.807,theydismissedthephenomenonasthepassageoftheplanetMercuryacrossthesun.However,afterthetelescopewasdevelopedintheearly1600s,theItaliana
8、stronomerGalileoandothersclearlysawthatthesunhaddarkspots.AstronomerandCatholicpriestChristophScheinertriedtocomeupwithanexplanationthatdidn’tcontradictChurchteaching
