Impact cratering on volatile-rich targets: Some remarks related to the deep impact experiment

Research output: Chapter in Book/Report/Conference proceedingConference paper

Abstract

The NASA Deep Impact experiment has important implications to better understand cratering processes on planetary bodies and the production and evolution of ejecta. This man-made impact of a solid Cu body on the nucleus of a comet fills the large gap existing between data derived from small-scale cratering experiments and large-scale field or remote sensing observations of craters. DI thus complements hydrocode modeling of cratering processes. The majority of cratering studies focus on solid silicate-rich targets rather than on porous, poorly consolidated and/or volatile-rich materials. However, volatile targets are common in the Solar System. The lessons learned from the DI collision with comet 9P/Tempel not only clarify the composition and physical properties of the cometary nucleus, but also can shed light on cratering mechanisms and evolution of plume and ejecta.

Original languageEnglish
Title of host publicationDeep Impact as a World Observatory Event
Subtitle of host publicationSynergies in Space, Time, and Wavelength: Proceedings of the ESO/VUB Conference
EditorsHans Ulrich Kaufl, Christiaan Sterken
Pages201-211
Number of pages11
DOIs
Publication statusPublished - 1 Jan 2009

Publication series

NameESO Astrophysics Symposia
Volume2009
ISSN (Print)1431-2433
ISSN (Electronic)1611-6143

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