Steps in Planet formation: Collisions of mm sized dust aggregates in the cm/s regime

Details Steps in Planet formation: Collisions of mm sized dust aggregates in the cm/s regime Steps in Planet formation: Collisions of mm sized dust aggregates in the cm/s regime

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1822j&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1822

Physics

Scientific paper

In the first phase of planet formation, dust grows to aggregates starting from μm sizes up to planetesimals. The experimental analysis of collisions of dust aggregates with different sizes and velocities is needed for theoretical calculations and modeling. Starting with μm sized grains, growth occures rather rapidly until mm-sizes are reached and the process slows down [1] and might even stopp at a bouncing barrier [2]. With the experiment presented here, it is possible to analyse collisions of mm sized dust aggregates at several cm/s.

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