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两颗小行星将和地球擦肩而过 公众不必担心
source link: https://tech.sina.com.cn/d/s/2020-04-20/doc-iirczymi7322128.shtml
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记者从中科院紫金山天文台了解到，4月底到5月初，将有两颗存在潜在威胁的近地小行星与地球“擦肩而过”。其中，52768号小行星飞掠地球时，距地628万公里；2020DM4小行星离地球最近距离约为705万公里。二者不会对地球产生任何影响，公众不
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