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    Mars: Simulations of Early Impacts produce a Mixed Mars Mantle

    February 16, 2020, Categories  Astronomy/Space

    Early Mars after impact, showing projectile materials leaving the planet
    Courtesy of Southwest Research Institute A Southwest Research Institute team performed high-resolution, smoothed-particle simulations of a large, differentiated projectile hitting early Mars after its core and mantle had formed. The projectile’s core and mantle particles are indicated by brown and green spheres respectively, showing local concentrations of the projectile materials assimilated into the Martian mantle.

    The early solar system was a chaotic place, with evidence indicating that Mars was likely struck by planetesimals, small protoplanets up to 1,200 miles in diameter, early in its history...

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