专家先前预测，"伦琴"进入地球大气层时将与大气剧烈摩擦并燃烧，卫星将分解成碎片，除去燃尽的碎片，最多将有３０块碎片击中地球陆地或水域，质量总和约为１．７吨。 "伦琴"质量约为２.４吨。德国航空航天中心说："最大单块碎片 ... 伤人几率
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