回顾英仙座流星雨图片

回顾英仙座流星雨图片,下面是详细内容。。。英仙座流星雨每年发生在8月中旬,当地球穿过Swift-Tuttle彗星留下的尘埃轨迹时,这些彗星碎片撞击地球大气层时,它们会在天空中产生明亮的轨迹,它们似乎从英仙座辐射出来,因此得


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