The Need for High-Resolution Crustal Magnetic Field Data on Mars

Details The Need for High-Resolution Crustal Magnetic Field Data on Mars The Need for High-Resolution Crustal Magnetic Field Data on Mars

Jul 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000came.work..259r&link_type=abstract

Concepts and Approaches for Mars Exploration, p. 259

Computer Science

Planetary Magnetic Fields, Mars (Planet), Planetary Crusts, Magnetic Properties, Mars Global Surveyor, Mars Surface, Magnetometers, Magnetic Anomalies

Scientific paper

Magnetometer observations from the Mars Global Surveyor spacecraft (MAG/ER on MGS) have confirmed that Mars does not presently have an internally-generated dipole magnetic field, and have also revealed intense remanent magnetism in the Martian crust. The remanent magnetic anomalies, most prevalent in the southern highlands region, are a record of the past history of the internal Mars dipole field. The MAG/ER data constitute a valuable data set for constraining the early thermal evolution of Mars and the history of the planetary magnetic field. However, the data lack the resolution needed to draw definite conclusions regarding the time history of the field. High-resolution magnetometer observations, obtained at low-altitude, are needed to complement and extend the MGS/ER data set and allow a definitive time history of the internal Mars dynamo to be constructed.

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