Computer Science
Scientific paper
Apr 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976lpsc....7.3205o&link_type=abstract
In: Lunar Science Conference, 7th, Houston, Tex., March 15-19, 1976, Proceedings. Volume 3. (A77-34651 15-91) New York, Pergamon
Computer Science
Lunar Evolution, Lunar Temperature, Radioactive Isotopes, Lunar Core, Lunar Geology, Thermal Conductivity
Scientific paper
Calculations of the moon's thermal history were made for different initial temperature distributions, different thermal conductivities, and concentrations of radioactive elements (sources) corresponding to the terrestrial and mantle-pyrolite composition of the moon. The convection of radioactive elements to the surface as a result of melting is taken into account in calculations by using a scheme of layered differentiation with a small step for different values of the melting interval. For all variants, the time dependence of the radius melting is calculated. For all variants the maximum melting began nearly 3.5-4 b.y. ago. For greater concentrations, 'hot' models, and smaller melting intervals, the maximum melting begins earlier than for lesser concentrations and 'cold' models. In all variants, the moon is cooling now.
Alber Ia. I.
Ornatskaia O. I.
Riazantseva I. P.
Tseitlin N. M.
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