研究人员意识到，这些特征可能表明内地核并非完全固态，而是能够在一定程度上发生形态的改变。研究人员对观测精度进行了提升，之后确认地球内地核表面正在液态外地核的作用下发生结构性变化。这表明内地核具有一定的延展性，而非全然固态。

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