Physics
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1498t&link_type=abstract
EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1498
Physics
Scientific paper
Some observations of minor bodies of the Solar System have shown that granular material is present on the surfaces and maybe in the interior of these bodies. For example, m-size boulders have been observed on the surface of Itokawa as well as sand grains. Dust clouds formed after an impact has been detected in several main-belt asteroids. Results related to the physics of Granular Media can be used to understand the physical evolution of these objects. We present some laboratory experiments devoted to study some processes relevant to these problems. We have identified two cases where we would like to apply these experimental results, i.e.: • Size segregation of rocks due to quakes induced by impacts onto asteroids, in particular the case of asteroid Itokawa. • Production of dust clouds at low relative velocity due to the ejection generated by the passage of a seismic wave produced in a collision. The results would be applied to the case of the so-called "main-belt comets".
Elgue I.
Maciel Arthur
Tancredi Gonzalo
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