极光——English--report

•Thenorthernlights,oneofseveralastronomicalphenomenacalledpolarlights(aurorapolaris),areshaftsorcurtainsofcoloredlightvisibleonoccasioninthenightsky.•Polarlights(aurorapolaris)areanaturalphenomenonfoundinboththenorthernandsouthernhemispheresthatcanbetrulyaweinspiring.Northernlightsarealsocalledbytheirscientificname,auroraborealis,andsouthernlightsarecalledauroraaustralis.•Anaurora(plural:aurorasoraurorae)isanaturallightdisplayintheskyparticularlyinthehighlatitude(ArcticandAntarctic)regions,causedbythecollisionofenergeticchargedparticleswithatomsinthehighaltitudeatmosphere(thermosphere).•Thechargedparticlesoriginateinthemagnetosphereandsolarwindand,onEarth,aredirectedbytheEarth'smagneticfieldintotheatmosphere.Auroraisclassifiedasdiffuseordiscreteaurora.Mostauroraeoccurinabandknownastheauroralzone[1][2]whichistypically3°to6°inlatitudinalextentandatalllocaltimesorlongitudes.=0_06_02_99?fr=1•Insomeareas,suchasAlaskaorGreenland,theymaybevisiblemostnightsoftheyear.Andtheyoccuratanytimeoftheday,butwecan’tseethemwiththenakedeyeunlessit’sdark.•Whatdoyouthinkofthisone?