Samantha Hansen, a lead researcher, said the team was surprised by how “abundant” the structures were, finding evidence all over the southern hemisphere.
The following graphics are computer generated images of objects in low-Earth orbit that are currently being tracked. The orbital debris dots are scaled according to the image size of the graphic to optimize their visibility and are not scaled to Earth.
While Earth’s core is too deep to be directly explored, Samantha Hansen, a geophysicist and lead researcher on the project, said the team was able to use instruments to record seismic waves and signals from earthquakes. While the presence of these structures along the core is something that has been recognized in previous studies, Hansen said the team was surprised by how "abundant" the structures were, finding evidence all over the southern hemisphere."Combining the seismic results with the geodynamic modeling took this a step further. The consistency between them makes for a very compelling interpretation," she added.
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