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學習快評丨qibao666888　　北??(bei)京??(jing)天??(tian)文??(wen)館??(guan)科??(ke)普??(pu)教??(jiao)育??(yu)部??(bu)副?(fu)研??(yan)究??(jiu)館??(guan)員??(yuan)曹??(cao)軍??(jun)表??(biao)示??(shi)??，如??(ru)果??(guo)持??(chi)續(xù)?(xu)觀??(guan)察??(cha)土??(tu)星??(xing)??，會??(hui)發(fā)??(fa)現(xiàn)?(xian)光??(guang)環(huán)??(huan)朝??(chao)向??(xiang)地??(di)球??(qiu)的??(de)角??(jiao)度??(du)是??(shi)在??(zai)不??(bu)斷??(duan)變??(bian)化??(hua)的??(de)??，大??(da)概??(gai)十??(shi)幾??(ji)年??(nian)會??(hui)完??(wan)成??(cheng)一??(yi)個?(ge)輪??(lun)回??(hui)??。??今??(jin)年??(nian)3月??(yue)份??(fen)??，地??(di)球??(qiu)正??(zheng)好?(hao)在??(zai)光??(guang)環(huán)??(huan)的??(de)平??(ping)面??(mian)上??(shang)??，因?(yin)此??(ci)看??(kan)上??(shang)去??(qu)就??(jiu)好??(hao)像?(xiang)光??(guang)環(huán)??(huan)消??(xiao)失??(shi)了??(le)一??(yi)樣??(yang)???！　”??(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??(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??(jie)構??(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)??。。