Seismic wave uncovers hidden Earth depths
The recent study reveals that Earth's outer core is more dynamic and complex than previously believed. Researchers observed subtle variations in seismic waves traversing it, indicating movement and mixing of heterogeneous materials within. The data used in the study was gathered from underground nuclear tests conducted by France on the island of Moruroa between 1977 and 1995. The results showed that the speed of seismic waves passing through the outer core was not constant, reflecting changes in the properties of the materials inside. These findings enhance our understanding of Earth's internal structure and shed light on how the magnetic field is generated and how it protects the planet from charged particles and solar winds.
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