Early Earth Formation/Geological Time

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Meteorites provide information about:

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Early Earth's composition

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Element in meteorites and Earth

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Silicate

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Meteorites and Earth's oceans

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Help understand their origin

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Trace element in meteorites

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Rare earth elements

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Meteorites clues about Earth's:

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Atmosphere

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Key element in meteorites and batteries

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Nickel

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Celestial body with meteor impact evidence

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Mars

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Celestial object with many meteor impact craters

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Comet

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Primary reason scientists study meteorites

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Understand Earth's history

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Duration of an era in geological time

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Tens to millions of years