The planet Mars does not have a global magnetic field, although scientists believe it did have one at some point in the past. Previous studies suggest that when Mars’ global magnetic field was present, it was roughly the same strength as Earth’s current field. Surprisingly, instruments from previous Mars missions, both orbiters and landers, have spotted spots on the planet’s surface that are strongly magnetized – a property that could not have been produced by a magnetic field similar to that of Earth, assuming that the rocks of the two planets are similar.
Ahmed AlHantoobi, an intern working with planetary scientists at the University of Northern Arizona, assistant professor Christopher Edwards and postdoctoral researcher Jennifer Buz at the Department of Astronomy and Planetary Science at NAU, conducted a study at looking for answers to explain these magnetic anomalies. The team explored the relationships between the strength of the magnetic field at the surface and the composition of the crust in the Terra Sirenum-Terra Cimmeria region of Mars.
“Our results show that in the area with the strongest magnetic patches, there is a verifiable positive correlation between the magnetic and mineralogical field. data,” mentionned…
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