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数百个不明物体击穿土星外光环
现代快报    04-26 09:38:11
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不明物体让土星光环出现“伤疤”。 

   不明物体让土星光环出现“伤疤”。

    据英国《每日邮报》24日报道,美国家航空航天局(NASA)公布的一组照片显示,土星的一道光环被数百个不明物体击穿,留下了一道道“伤疤”。这组照片来自NASA土星探测器“卡西尼”号。照片显示,不明物体撞向土星外层的F光环,并从中穿过,给F光环留下了明显的“伤疤”。

    NASA分析称,这些不明物体很可能是一些“雪球”,最大的直径达到约800米,来自土星卫星土卫十六等天体。

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