Giant Impacts on Early Mars and the Cessation of the Martian Dynamo

Details Giant Impacts on Early Mars and the Cessation of the Martian Dynamo Giant Impacts on Early Mars and the Cessation of the Martian Dynamo

Mar 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009lpi....40.1265r&link_type=abstract

40th Lunar and Planetary Science Conference, (Lunar and Planetary Science XL), held March 23-27, 2009 in The Woodlands, Texas, i

Physics

Scientific paper

The global magnetic field on Mars disappeared during the mid-Noachian,
at the end of a sequence of giant impacts. We find that impact heating
can reduce the CMB heat flow by up to 40%, and may have led to the
cessation of dynamo activity.

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