Constraints on the size of the moon's core

Details Constraints on the size of the moon's core Constraints on the size of the moon's core

Jan 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.202..287s&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 202, Jan. 1983, p. 287-291.

Astronomy and Astrophysics

Astronomy

2

Dynamo Theory, Lunar Composition, Lunar Core, Lunar Magnetic Fields, Moments Of Inertia, Size Determination, Astronomical Models, Lunar Crust, Paleomagnetism, Thermal Expansion, Moon, Size, Parameters, Density Profile, Moments Of Inertia, Gradients, Radius, Parameters, Iron, Composition, Sulfer, Dynamo, Origin, Data, Magnetism, Models, Calculations, Physical Properties, Crust, Thickness, Hydrostatics, Temperature, Bulk Modulus, Core

Scientific paper

It is possible in very simple and general terms to put an upper limit on the radius of a lunar core. The estimated core size is a fairly insensitive function of the poorly known quantities determining the Moon's radial density profile and of the observed lunar moment-of-inertia factor. An iron core can be expected to be less than 400 km in radius and only a core consisting solely of iron and sulphur compounds is consistent with a core of radius 500 km or more. This result has implications for any dynamo theory for the origin of lunar magnetism.

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