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Calculations of the moon's heat history at different concentrations of radioactive elements taking account of the material differentiation with meltingA mathematical procedure for analyzing the heat conductivity of the lunar surface is discussed. The solution is based on homogeneous and laminated moon models and considers the effects of radioactive elements conveyed to the lunar surface by melting. The various parameters which introduce uncertainties into the numerical analysis are identified. The application of data obtained from radio astronomy and from analyses of lunar samples returned by the Apollo flights is explained. Tables of data are included to show the types and amounts of radioactive materials which have been identified.
Document ID
19750006626
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Arnatskaya, O. I. (NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Alber, Y. I. (NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Ryazantseva, I. L. (NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Date Acquired
September 3, 2013
Publication Date
January 1, 1974
Subject Category
Lunar And Planetary Exploration
Report/Patent Number
NASA-TM-X-72201
REPT-240
Meeting Information
Meeting: Soviet-Am. Conf. on the Cosmochem. of the Moon and Planets,
Location: Moscow
Country: Soviet Union
Start Date: June 4, 1974
End Date: June 8, 1974
Accession Number
75N14698
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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