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學習快評丨qibao666888　　明??(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??(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??(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)？??　　“薄??(bo)如?(ru)蟬??(chan)翼??(yi)”的??(de)土??(tu)星??(xing)環(huán)??(huan)是?(shi)由??(you)什?(shen)么??(me)組??(zu)成??(cheng)的??(de)？??。