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10亿年前月球"内部发动机"停止，致其磁场逐渐消失
source link: https://tech.sina.com.cn/d/s/2020-03-10/doc-iimxyqvz9211156.shtml
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新浪科技讯北京时间3月10日消息，据国外媒体报道，目前，最新研究表明，大约10亿年前，当月球“内部发动机”停止工作时，月球曾经的保护磁场逐渐消失。为了确定之前月球磁场的强度大小，研究人员分析了月球表面岩石样本，这些岩石源自一次天体大撞击过程
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