"Fortunately, each hypothesis predicts a very different mantle composition," Strom says.
“幸运的是，每一个假想预测着不同的地幔组成，”斯特罗姆说。
Moreover, the Moon's composition, though similar to that of Earth's mantle, is not a precise match.
此外，月球的成分虽然与地球的地幔相似，但并不完全吻合。
Much more than the crust, the mantle contains information about a planet's or moon's total composition.
地幔包含的远远不仅是地壳，还有关于行星或卫星的总体构成的信息。
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