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2006年地球引力异常:科学家在地下2900千米找到原因
2006年,地球引力场出现意外异常,卫星数据显示全球多地引力值偏离常规,还关联到海平面与 tectonic(地壳)活动变化。科学家历经多年探索,最终在地下约2900千米的核幔边界,发现了铁含量极高的超低速带,它为何会引发引力“故障”?
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