A new measurement of thermal conductivity of amorphous ice and its implications for the thermal evolution of comets

Details A new measurement of thermal conductivity of amorphous ice and its implications for the thermal evolution of comets A new measurement of thermal conductivity of amorphous ice and its implications for the thermal evolution of comets

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992acm..proc..325k&link_type=abstract

In Lunar and Planetary Inst., Asteroids, Comets, Meteors 1991 p 325-328 (SEE N93-19113 06-90)

Physics

Amorphous Materials, Comet Nuclei, Comets, Evolution (Development), Ice, Thermal Conductivity, Thin Films, Vapor Deposition, Albedo, Estimating, Heating, Ice Formation, Temperature Effects

Scientific paper

Very slowly deposited amorphous ice has a thermal conductivity about four orders of magnitude or more smaller than hitherto estimated. Using the exceedingly low value of the thermal conductivity of comets deduced from the properties of amorphous ice leads to the expectation that internal heating of comets is negligible below the outer several tens of centimeters.

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