Collision Chains among the Terrestrial Planets. II. An Asymmetry between Earth and Venus
Alexandre Emsenhuber,
Erik Asphaug,
Saverio Cambioni
et al.
Abstract:During the late stage of terrestrial planet formation, hit-and-run collisions are about as common as accretionary mergers, for expected velocities and angles of giant impacts. Average hit-and-runs leave two major remnants plus debris: the target and impactor, somewhat modified through erosion, escaping at lower relative velocity. Here we continue our study of the dynamical effects of such collisions. We compare the dynamical fates of intact runners that start from hit-and-runs with proto-Venus at 0.7 au and pr… Show more
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