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學(xué)習(xí)快評(píng)丨qibao666888　　北??(bei)京??(jing)天??(tian)文??(wen)館??(guan)的??(de)科??(ke)普??(pu)專(zhuān)??(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(shí)??(shi)際??(ji)上??(shang)是??(shi)由??(you)無(wú)??(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(jí)?(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(lái)??(lai)也??(ye)就??(jiu)十??(shi)多??(duo)米??(mi)??。??　　土??(tu)星?(xing)與??(yu)太?(tai)陽(yáng)?(yang)距??(ju)離??(li)近??(jin) 觀??(guan)測(cè)??(ce)小??(xiao)心??(xin)陽(yáng)??(yang)光??(guang)灼??(zhuo)傷??(shang)。