Computer Science
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf..274g&link_type=abstract
EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.274
Computer Science
Scientific paper
Comets are believed to contain some of the most primitive and best preserved material from the formation of the solar system. Their composition should reflect the conditions under which they were formed within the protoplanetary disk. A range of compositions might be expected, distinguishing comets formed at high temperatures close to the proto-Sun from those formed at large heliocentric distances. This picture is complicated by the potential radial migration of cometesimals inside the protoplanetary disk. Consequently, an individual comet could be an aggregate of cometesimals either formed at the same location (homogeneous composition) or formed in different locations (heterogeneous composition). Both types of structure have been reported in comets: homogeneous structure for 73P [1,2] and heterogeneous structure for 9P [3,4] for example. Additionally, various postaccretion processes can alter the primordial composition of comets. Here we aim at constraining the effects of insolation by studying the thermal evolution of comet nuclei having a non-uniform surface albedo.
Guilbert-Lepoutre Aurelie
Jewitt David
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