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學習快評丨qibao666888　　北??(bei)京??(jing)天?(tian)文??(wen)館??(guan)的??(de)科??(ke)普??(pu)專??(zhuan)家??(jia)介??(jie)紹??(shao)??，看??(kan)上??(shang)去??(qu)美??(mei)麗??(li)的??(de)土??(tu)星??(xing)光??(guang)環(huán)??(huan)??，實??(shi)際??(ji)上??(shang)是??(shi)由??(you)無??(wu)數(shù)??(shu)水??(shui)冰?(bing)顆??(ke)粒??(li)、巖??(yan)石??(shi)碎??(sui)片??(pian)和??(he)塵??(chen)埃??(ai)構(gòu)??(gou)成??(cheng)??，規(guī)??(gui)模??(mo)超??(chao)級?(ji)龐??(pang)大??(da)??，但??(dan)是??(shi)厚??(hou)度?(du)有??(you)的??(de)地??(di)方?(fang)是??(shi)摩??(mo)天??(tian)大??(da)樓??(lou)??，有??(you)的??(de)地??(di)方??(fang)卻??(que)只??(zhi)有??(you)平??(ping)房??(fang)那??(na)么??(me)高??(gao)??，平??(ping)均?(jun)下?(xia)來??(lai)也?(ye)就??(jiu)十??(shi)多?(duo)米??(mi)??。??　　北??(bei)京??(jing)天??(tian)文??(wen)館?(guan)的??(de)科??(ke)普??(pu)專??(zhuan)家??(jia)介??(jie)紹??(shao)??，土??(tu)星??(xing)環(huán)??(huan)完??(wan)全??(quan)側(cè)??(ce)對?(dui)地??(di)球??(qiu)時??(shi)??，是?(shi)天??(tian)文?(wen)學??(xue)家??(jia)獲??(huo)得??(de)研??(yan)究??(jiu)環(huán)??(huan)系??(xi)三??(san)維??(wei)結(jié)??(jie)構(gòu)??(gou)的??(de)絕??(jue)佳??(jia)機??(ji)會??(hui)??。??微??(wei)弱??(ruo)的??(de)光??(guang)影??(ying)變??(bian)化??(hua)可??(ke)能?(neng)揭??(jie)示??(shi)土??(tu)星??(xing)環(huán)?(huan)塵??(chen)埃??(ai)分??(fen)布??(bu)的??(de)異??(yi)常??(chang)??，這??(zhe)種??(zhong)特??(te)殊??(shu)視?(shi)角??(jiao)帶??(dai)來??(lai)的??(de)觀??(guan)測??(ce)窗??(chuang)口??(kou)??，就??(jiu)像??(xiang)為??(wei)宇??(yu)宙??(zhou)CT掃??(sao)描??(miao)打??(da)開??(kai)了??(le)最??(zui)佳?(jia)角??(jiao)度??(du)??。。