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Solar System's oldest rock_HERO

Solar system's oldest rocks

Solar system's oldest rocks

  • Exhibition Text

    • In 1969, a two-ton meteor broke up in the atmosphere above the Mexican village of Allende. The stony Allende meteorite is peppered with white particles of aluminum oxide and calcium oxide. Except for hydrogen and helium, they are about the same composition as the Sun, and are believed to be remnants of the first solid grains that formed in the solar system. Dated to 4.566 billion years ago, they are its oldest known objects.

      AMNH collection

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  • For Educators

    • Topic: Astronomy

      Subtopic: Planets

      Keywords: Astronomy, Meteorites, Oxide minerals, Solar System--Origin

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