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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)??。??　　在??(zai)北??(bei)京??(jing)天?(tian)文??(wen)館?(guan)??，科??(ke)普?(pu)專??(zhuan)家?(jia)介??(jie)紹??(shao)??，土??(tu)星??(xing)環(huán)??(huan)的??(de)“消??(xiao)失??(shi)”并??(bing)非??(fei)真?(zhen)正??(zheng)意??(yi)義??(yi)上?(shang)的??(de)消??(xiao)失??(shi)??，而??(er)是??(shi)天??(tian)穹??(qiong)之??(zhi)上??(shang)的??(de)一??(yi)場??(chang)精?(jing)彩??(cai)的??(de)光?(guang)影?(ying)魔??(mo)術(shù)??(shu)??。??早??(zao)在??(zai)1612年??(nian)??，意??(yi)大?(da)利?(li)科??(ke)學??(xue)家??(jia)伽??(jia)利??(li)略??(lve)就??(jiu)首??(shou)次??(ci)觀??(guan)測??(ce)到??(dao)土??(tu)星??(xing)環(huán)??(huan)“消??(xiao)失??(shi)”現(xiàn)??(xian)象??(xiang)??。。