Computer Science
Scientific paper
Feb 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987icar...69..314h&link_type=abstract
Icarus (ISSN 0019-1035), vol. 69, Feb. 1987, p. 314-328. NASA-supported research.
Computer Science
24
Comet Nuclei, Temperature Profiles, Thermal Diffusion, Ice, Surface Temperature, Thermal Conductivity, Comets, Comet Nuclei, Simulations, Temperature, Models, Ice, Orbits, Calculations, Eccentricity, Thermal Properties, Conductivity, Radius, Crystalline Material, Amorphous Material, Procedure, Size, Catalog, Encke, Honda-Mrkos-Pajdusakova, Tempel 2, Wild 2, D'Arrest, Kopff, Churyumov-Gerasimenko, Halley
Scientific paper
The thermal diffusion equation for the internal temperature of cometary nuclei is exactly solved by means of a one-dimensional numerical model in order to shed light on the complex behavior of these temperatures with varying orbital and thermal parameters and in order to consider possible cometary nucleus thermal evolution targets for comet rendezvous and/or sample-return missions. The concept of 'new' and 'old' comets, classified in terms of how many passages around the sun have been made, may take on new meaning in view of the present demonstration that differences in eccentricity between two comets having the same period and number of apparitions may yield significantly different internal temperature profiles.
Herman Grzegorz
Weissman Paul R.
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