Physical effects of collisions in the Kuiper belt - AstrophysicsReport as inadecuate

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Abstract: Collisions are a major modification process over the history of the KuiperBelt. Recent work illuminates the complex array of possible outcomes ofindividual collisions onto porous, volatile bodies. The cumulative effects ofsuch collisions on the surface features, composition, and internal structure ofKuiper Belt Objects are not yet known. In this chapter, we present the currentstate of knowledge of the physics of cratering and disruptive collisions in KBOanalog materials. We summarize the evidence for a rich collisional history inthe Kuiper Belt and present the range possible physical modifications onindividual objects. The question of how well present day bodies representprimordial planetesimals can be addressed through future studies of the coupledphysical and collisional evolution of Kuiper Belt Objects.

Author: Zoe M. Leinhardt, Sarah T. Stewart, Peter H. Schultz


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