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Revealed: Ancient meteorites showered Earth with gold

• Terrence Aym - Helium
Twinkling stars may look like diamonds in the sky, but iron meteorites seeded the world with gold. That's the fascinating conclusion that a new study, "The tungsten isotopic composition of the Earth’s mantle before the terminal bombardment," published in the journal Nature reveals. Although geologists have speculated for many years that at least some of Earth's gold came from meteorites, it was impossible to prove.

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