High-velocity impact phenomena in the solar system related to the origin and evolution of planets

Masahiko Arakawa; Minami Yasui; Yu Ri Shimaki

doi:10.4131/jshpreview.24.13

High-velocity impact phenomena in the solar system related to the origin and evolution of planets

Masahiko Arakawa, Minami Yasui, Yu Ri Shimaki

Institute for Planetary Materials

Research output: Contribution to journal › Article › peer-review

Abstract

In this article, recent studies on impact cratering and impact disruption of planetary bodies are reviewed. A widely accepted scaling law for impact cratering is introduced to discuss the effects of material strength and planetary gravity on the crater formation process. A sophisticated scaling law for impact disruption is also introduced and we notice that non-dimensional impact stress is useful parameter to describe the catastrophic disruption. The impact strength of icy bodies, meteorite parent bodies and primitive asteroids are studied by using various materials simulating them, and these results are explained briefly.

Original language	English
Pages (from-to)	13-20
Number of pages	8
Journal	Review of High Pressure Science and Technology/Koatsuryoku No Kagaku To Gijutsu
Volume	24
Issue number	1
DOIs	https://doi.org/10.4131/jshpreview.24.13
Publication status	Published - 2014

Keywords

Asteroids
High-velocity impact
Impact crater
Impact disruption
Impact strength
Planetesimals
Scaling law

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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AB - In this article, recent studies on impact cratering and impact disruption of planetary bodies are reviewed. A widely accepted scaling law for impact cratering is introduced to discuss the effects of material strength and planetary gravity on the crater formation process. A sophisticated scaling law for impact disruption is also introduced and we notice that non-dimensional impact stress is useful parameter to describe the catastrophic disruption. The impact strength of icy bodies, meteorite parent bodies and primitive asteroids are studied by using various materials simulating them, and these results are explained briefly.

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