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A. 340-km diameter planetesimal with a 120-km diameter iron core before impact of a 60-km diameter object. B. Low-velocity (5 km/s) impact of a 80-km diameter chondritic object that excavates metal from the core of the body into the upper mantle. C. Low-velocity (1 km/s) impact of a 60-km diameter iron object that becomes implanted in the upper mantle of the body. |