Their prediction is based on the level of a rare isotope accumulated in the lithosphere as the solar wind greatly facilitating cosmic rays to break through the earth's atmosphere.

他们的预测是根据太阳风促使宇宙射线穿过地球大气层，在地壳里堆积的一种罕见的同位素的水平做出的。

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Their prediction is based on the level of a rare isotope accumulated in the lithosphere as the solar wind greatly facilitating cosmic rays to break through the earth's atmosphere.

他们的预测是根据太阳风促使宇宙射线穿过地球大气层，在地壳里堆积的一种罕见的同位素的水平做出的。

youdao