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The crust of the Moon is composed mostly of oxygen, silicon, magnesium, iron, calcium, and aluminum. There are also trace elements like titanium, uranium, thorium, potassium and hydrogen. Scientists believe that the mantle of the Moon is largely composed of the minerals olivine, orthopyroxene and clinopyroxene. It's also believed to be more iron-rich than the Earth's mantle. Scientists think that the lunar core is made of metallic iron, with small amounts of sulfur and nickel.

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13y ago

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