北极光的知识(英文版)VIP免费

SectionAFinlandNorthernLightsTheNorthernLights,alsoknownas“AuroraBorealis(北极光)”orthe“DawnoftheNorth”,neverfailtotakeyourbreathaway.Theauroraborealisisoneofthemostsublime(超群的)andmagnificentnaturalphenomenaonEarth.Beforescientistscracked(侦破)themysteryoftheauroras,menweredrawn(吸引)andfascinated(强烈地吸引住)bythesedancingandmagicallightsthatwereoftenfoundinmythology(神话)andlegends.InRomanMythology,itissaidthattheAuroraisthedeity(神)ofthedawn.InNorthAmerica,theInuits(爱斯基摩人)havemanylegendsthatexplainthemasspiritsofthedead.Theybelievedthatthelightsaretheessences(精华)ofdeer,salmon(鲑鱼),sealsandotheranimalsthattheyhunted.Aristotle(亚里斯多德)thoughtitwasglowingairgushing(喷出)fromcracksinthesky.Theappearanceoftheredaurorainmedieval(中世纪的)timeswasfearedasabadomen(前兆)orasignofGod'sanger.Theybelievedthemanifestation(显现)oftheauroraindicatedfamineorwar.CharlesHall(查尔斯·霍尔),a19th-centurypolarexplorer,exclaimed:"WhobutGodcanconceive(想出)suchinfinite(无穷的)scenesofglory?"Oddlyenough,theMaori(毛利人)thoughtthatthedisplayswerejustreflectionsofacampfire(营火)ortorches.Regardlesswhetheryoubelievethescientificfactsorthelegendsbehinditsexistence,you’llstillbecaptivated(吸住)bythesesupernaturaldisplayoflights,andtherearecountlessdestinationswhereyoucanseethemajesticphenomenon.Finland（芬兰）,forexample,shouldbearepresentative.ManyvisitorstoFinlandcomewithhopesofseeingtheFinlandNorthernLights.ThebestplacetoseetheNorthernLightsinFinlandisinthenorthernLaplandregion(拉普兰地区),whichisalmostentirelylocatedwithintherealm(区域)oftheArcticCircle(北极圈).Duringthedarkwintermonthshere,whenthesunrarelypeaks(使达到最高峰)itsheadoverthehorizon,youcanexpecttoseetheFinlandNorthernLightswithregularity,andotherpeak(峰值)seasonsincludeFebruarythroughMarchandSeptemberthroughOctober.Thetimebetween6p.m.and1a.m.isthemostintenseperiodoftheday.Thehighestprobabilitywithinthistimespan（时间间隔）toseetheFinlandNorthernLightsisbetween9p.m.and11:30p.m.,thoughtheyarecertainlynotrestrictedtothistimeframe.Ifyouhave1neverseentheNorthernLightswherevertheycommonlyoccurintheworld,thenyouwillbeamazedthefirsttimewhenyoulayeyesonthem.TheNorthernLightsaresimilartoasunsetintheskyatnight,butappearoccasionallyinarcs（弧光）orspirals（螺旋形物）usuallyfollowingtheearth'smagnetic（磁性的）field.Theyaremostoftenlightgreenincolorbutoftenhaveahintofpink.Swirling(涡旋形的)shadesofblue,green,andpinkaremostcommonwhenitcomestotheFinlandNorthernLights.Strongeruptionsalsohaveviolet(紫罗兰色的)andwhitecolours.Rednorthernlightsarerare,butcansometimesbeobservedonlowerlatitudes(纬度).TheFinlandAuroraBorealis,whilebestseeninLapland,canalsobewitnessedasfarsouthasthecapitalcityofHelsinki(赫尔辛基)fromtimetotime,thoughonaverage,thereareonlysometwentydaysoutoftheyearwhenviewingthemispossibleinmostsouthernpartsofthecountry.PartofthereasonwhyitcanbedifficulttoseetheNorthernLightsofFinlandinHelsinkiisbecauseofthefactthatitishardtoescapetodimlylitareas.TherelativelackofcitylightsisjustoneofthereasonswhytheLaplandregionseessome200nightlyoccurrenceseveryyear,andonemustalsoconsidertheregion’snorthernlocation.Thelowerreaches(区域)oftheArcticCircleareidealforviewingtheNorthernLightsacrosstheplanet,whichiswhyCanadaandAlaskaaregooddestinationsintheWesternHemisphere(半球).ForthosewhoarewonderingwhatcausestheNorthernLightsinFinl...