NASA Logo, External Link
Facebook icon, External Link to NASA STI page on Facebook Twitter icon, External Link to NASA STI on Twitter YouTube icon, External Link to NASA STI Channel on YouTube RSS icon, External Link to New NASA STI RSS Feed AddThis share icon
 

Record Details

Record 1 of 2286
Internal constitution of Mars.
Author and Affiliation:
Anderson, D. L.(California Institute of Technology, Pasadena, Calif., United States)
Abstract: Models of the internal structure of Mars consistent with the mass, radius and moment of inertia of the planet are constructed. The models assume that the radius of the core is between 0.36 and 0.60 of the radius of the planet, that the zero-pressure density of the mantle is between 3.54 and 3.49 g/cu cm, and that the planet contains 25 to 28% iron. Meteorite models of Mars containing 25 wt % iron and 12 wt % core are also proposed. It is maintained that Mars in contrast to the earth is an incompletely differentiated planet with a core substantially richer in sulfur than the core of the earth. The absence of a magnetic field on Mars is possibly linked with lack of lunar precessional torque and the small size and high resistivity of the Martian core.
Publication Date: Feb 10, 1972
Document ID:
19720036852
(Acquired Dec 04, 1995)
Accession Number: 72A20518
Subject Category: SPACE SCIENCES
Document Type: Journal Article
Publication Information: Journal of Geophysical Research; p. Feb. 10; 77
Publisher Information: United States
Contract/Grant/Task Num: NGL-05-002-069
Financial Sponsor: NASA; United States
Description: 7p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: ASTRONOMICAL MODELS; CHONDRITES; CORES; MARS (PLANET); PLANETARY COMPOSITION; DENSITY (MASS/VOLUME); DYNAMO THEORY; EUTECTICS; IRON; MARS SURFACE; MOMENTS OF INERTIA; PLANETARY EVOLUTION; PLANETARY MAGNETIC FIELDS; PLANETARY MASS; SULFUR; TEMPERATURE PROFILES
Imprint And Other Notes: Journal of Geophysical Research, vol. 77, Feb. 10, 1972, p. 789-795.
Miscellaneous Notes: 1972, p. 789-795
Availability Source: Other Sources
› Back to Top
Find Similar Records
NASA Logo, External Link
NASA Official: Gerald Steeman
Site Curator: STI Program
Last Modified: August 12, 2011
Contact Us