Other
Scientific paper
Sep 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981icar...47..312s&link_type=abstract
(International Astronomical Union and American Astronomical Society, Colloquium on Comets: Gases, Ices, Grains, and Plasma, 61st
Other
34
Comet Nuclei, Heat Flux, Ice, Phase Transformations, Carbon Dioxide, Evaporation Rate, Heat Sources, Solar Heating, Surface Temperature, Comets, Comet Nuclei, Evolution, Heating, Thermal Properties, Surface, Heat Flux, Temperatures, Evaporation, Production Rate, Porosity, Source, Perihelion, Comae, Density, Ice, Dust, Phase Changes, Splitting, Data, Carbon Dioxide, Inclusions, Vaporization
Scientific paper
The heat flux into cometary nuclei at various distances from the sun, before and after perihelion, is investigated for both the isothermal case and that of the fixed subsolar point. It is found that the heat flux may be a large fraction of the incident total heat input, so that surface temperature and the associated evaporation rate are lower than usually calculated, and that the effect depends on the porosity of the nucleus. An ideal, initially spherical and homogeneous nucleus cannot remain isothermal, so that it must develop surface nonuniformities through localized phase changes, evaporation, and breakaway. The splitting of comets as far as 9 AU from the sun may be explained in terms of the heating of a CO2-rich inclusion in the nucleus.
No associations
LandOfFree
Heat content and evolution of cometary nuclei does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Heat content and evolution of cometary nuclei, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Heat content and evolution of cometary nuclei will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1514357