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    mix of potassium isotopes tagged posts

    Solar System formed from ‘Poorly Mixed Cake Batter,’ Isotope Research shows

    January 31, 2023, Categories  Astronomy/Space

    Meteorite thin section courtesy Nicole Xike Nie.
    Caption:  A meteorite thin section under a microscope. Different colors represent different minerals, because light travels through them in different ways. The round mineral aggregates are chondrules, which are a major component in primitive meteorites. Credit: Nicole Xike Nie.

    Earth’s potassium arrived by meteoritic delivery service finds new research led by Carnegie’s Nicole Nie and Da Wang. Their work, published in Science, shows that some primitive meteorites contain a different mix of potassium isotopes than those found in other, more-chemically processed meteorites. These results can help elucidate the processes that shaped our solar system and determined the composition of its planets.

    “The extreme conditions found in stellar interiors enable stars to manufacture elements usi...

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