November 28, 2022

AndronETalksNews

AndronETalksNews

Were Scientists Wrong About the Planet Mercury? Its Big Iron Core May Be Due to Magnetism!

SciTechDaily

By

New research from the University of Maryland shows that proximity to the sun’s magnetic field determines a planet’s interior composition.

A new study disputes the prevailing hypothesis on why Mercury has a big core relative to its mantle (the layer between a planet’s core and crust). For decades, scientists argued that hit-and-run collisions with other bodies during the formation of our solar system blew away much of Mercury’s rocky mantle and left the big, dense, metal core inside. But new research reveals that collisions are not to blame—the sun’s magnetism is.

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