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Is the Moon Hot or Cold?

Anderson, Don L. and Hanks, Thomas C. (1972) Is the Moon Hot or Cold? Science, 178 (4067). pp. 1245-1249. ISSN 0036-8075. http://resolver.caltech.edu/CaltechAUTHORS:20151111-100012443

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Abstract

Baldwin (1) has summarized some of the evidence for the early and present internal thermal states of the moon. He argued that the interior of the moon, below about 200 to 300 kilometers, is presently "hot," that is, has interior temperatures close to or exceeding the lunar solidus curve. The evidence for a rapid differentiation of the moon about 4.6 X 10^9 on years ago, the extensive igneous episode resulting in mare formation 3.7 X 10^9 to 2.8 X 10^9 years ago, the depletion of the moon in volatiles and its enrichment in calcium, aluminum, and the trace refractory elements all argue for a hot origin and high initial temperatures. A straightforward consequence of the lunar thermal inertia is that if the interior of the moon were ever hot it would remain hot to the present. The high surface concentrations of uranium, thorium, and potassium, and the Apollo 15 heat flow value of 33 ergs per square centimeter per second (2), indicate high present-day temperatures in the lunar interior (3).


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1126/science.178.4067.1245DOIArticle
http://www.sciencemag.org/content/178/4067/1245.extractPublisherArticle
http://www.jstor.org/stable/1735013JSTORArticle
Additional Information:© 1972 American Association for the Advancement of Science. Supported by NASA grant NGL 05-002-069. Contribution No. 2188, Division of Geological and Planetary Sciences, California Institute of Technology.
Funders:
Funding AgencyGrant Number
NASANGL 05-002-069
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Caltech Division of Geological and Planetary Sciences2188
Record Number:CaltechAUTHORS:20151111-100012443
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20151111-100012443
Official Citation:Is the Moon Hot or Cold? Don L. Anderson and Thomas C. Hanks Science 22 December 1972: 178 (4067), 1245-1249. [DOI:10.1126/science.178.4067.1245]
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:62054
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:11 Nov 2015 23:00
Last Modified:11 Nov 2015 23:00

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