![]() ![]() Most of the iron meteorites that smash into Earth each year are thought to have formed in the metal-heavy cores of planetesimals - small bodies in the protoplanetary disk of debris that orbited the sun during the early stages of the solar system.Īs a result, these meteorites contain high levels of nickel or cobalt. ![]() Archaeo-metallurgist Albert Jambon scans an iron meteorite with a portable X-ray fluorescence analyzer.
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