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astro-ph.EP2025★ 2 cited
Origins of Mercury's Big Heart of Iron: Exploring Pathways to Form High Core Mass Fraction (CMF) Planets via N-body Simulations
Haniyeh Tajer, Ji Wang, Anna C. Childs +3
Mercury's core mass fraction (CMF) is ~0.7, more than double that of the other rocky planets in the solar system, which have CMFs of ~0.3. The origin of Mercury's large, iron-rich…
astro-ph.EP2024
Composition Tracking for Collisions Between Differentiated Bodies in REBOUND
Noah Ferich, Anna C. Childs, Jason H. Steffen
Previous research suggests that impacts between planetary embryos and planetesimals during the late stages of planet formation can often determine the percentages of core and mantl…