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學(xué)習(xí)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(shí)?(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)??。??　　但??(dan)是??(shi)對??(dui)于??(yu)普??(pu)通??(tong)人??(ren)來??(lai)說??(shuo)??，不??(bu)能??(neng)盲?(mang)目?(mu)開??(kai)展??(zhan)觀??(guan)測??(ce)活??(huo)動??(dong)??，因??(yin)為??(wei)這??(zhe)個??(ge)時??(shi)間??(jian)段??(duan)土??(tu)星??(xing)與??(yu)太??(tai)陽??(yang)的??(de)距?(ju)離??(li)太??(tai)近??(jin)??，沒??(mei)有??(you)專?(zhuan)業(yè)??(ye)人??(ren)員??(yuan)指??(zhi)導(dǎo)?(dao)??，一?(yi)般??(ban)不??(bu)容??(rong)易??(yi)找??(zhao)到?(dao)??，還??(hai)有??(you)可??(ke)能??(neng)發(fā)??(fa)生??(sheng)太??(tai)陽??(yang)光??(guang)灼??(zhuo)傷??(shang)眼??(yan)睛??(jing)的??(de)危??(wei)險??(xian)??。??。