In planetesimal dynamo models, core radius fraction and mantle water content shift magnetic field strength and duration by about two orders of magnitude, and existing non-carbonaceous meteorite paleomagnetic data best match a scenario with little accreted water ice followed by efficient degassing.
The impact history and prolonged magmatism of the angrite parent body
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Dynamo generation reveals redox conditions during formation of differentiated planetesimals
In planetesimal dynamo models, core radius fraction and mantle water content shift magnetic field strength and duration by about two orders of magnitude, and existing non-carbonaceous meteorite paleomagnetic data best match a scenario with little accreted water ice followed by efficient degassing.