PIA00947: Mars' Inner Core


Mars’ Inner Core

Caption:

This figure shows a cross-section of the planet Mars revealing an inner, high density core buried deep within the interior. Dipole magnetic field lines are drawn in blue, showing the global scale magnetic field that one associates with dynamo generation in the core. Mars must have one day had such a field, but today it is not evident. Perhaps the energy source that powered the early dynamo has shut down. The differentiation of the planet interior - heavy elements like iron sinking towards the center of the planet - can provide energy as can the formation of a solid core from the liquid.

Background Info:

The Jet Propulsion Laboratory's Mars Surveyor Operations Project operates the Mars Global Surveyor spacecraft with its industrial partner, Lockheed Martin Astronautics, from facilities in Pasadena, CA and Denver, CO. JPL is an operating division of California Institute of Technology (Caltech).

Cataloging Keywords:

Name Value Additional Values
Target Mars
System
Target Type Planet
Mission Mars Global Surveyor (MGS)
Instrument Host Mars Global Surveyor
Host Type Orbiter
Instrument Magnetometer
Detector
Extra Keywords Color, Dust, Magnetosphere
Acquisition Date
Release Date 1997-10-13
Date in Caption
Image Credit NASA/JPL/GSFC
Source photojournal.jpl.nasa.gov/catalog/PIA00947
Identifier PIA00947