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學(xué)習(xí)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(gè)??(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)???！　∶??(ming)天??(tian)(24日??(ri))凌??(ling)晨??(chen)??，太??(tai)陽??(yang)系??(xi)八??(ba)大??(da)行??(xing)星??(xing)之??(zhi)一??(yi)的??(de)土?(tu)星??(xing)??，將??(jiang)上?(shang)演??(yan)神??(shen)奇??(qi)的??(de)光??(guang)環(huán)??(huan)“消??(xiao)失??(shi)術(shù)??(shu)”??。??我??(wo)們??(men)原??(yuan)來?(lai)看??(kan)到??(dao)的?(de)土??(tu)星??(xing)??，周?(zhou)圍??(wei)有??(you)一??(yi)圈??(quan)漂??(piao)亮?(liang)的??(de)光??(guang)環(huán)??(huan)??，所?(suo)以??(yi)它??(ta)也??(ye)被?(bei)稱??(cheng)為??(wei)“指??(zhi)環(huán)??(huan)王??(wang)”或??(huo)者??(zhe)是??(shi)“草??(cao)帽?(mao)星??(xing)”??。但?(dan)明??(ming)天??(tian)凌??(ling)晨??(chen)??，這??(zhe)個(gè)??(ge)光??(guang)環(huán)??(huan)在?(zai)地?(di)球??(qiu)觀??(guan)測??(ce)者??(zhe)的??(de)視??(shi)野??(ye)中??(zhong)就??(jiu)要??(yao)“消?(xiao)失??(shi)”了??(le)??，這??(zhe)是??(shi)怎??(zen)么??(me)回??(hui)事??(shi)呢?(ne)？??。