Illustration of different giant impact histories leading to iron-rich planet formation
Different giant-impact histories can result in an iron-rich body (indicated with the letter C):
Top: A catastrophic collision (e.g., Benz et al. 2007).
Middle: A hit-and-run collision (e.g., Asphaug & Reufer 2014).
Bottom: A chain of hit-and-run collisions (e.g., Chau et al. 2018).
This image is Figure 7b in Gabriel & Cambioni (2023).
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