A new study published in Physics of the Earth and Planetary Interiors changes the long-standing consensus among scientists that the Earth’s inner core is a solid iron ball surrounded by a high-temperature molten outer core.
“The more we analyze it, the more we understand that it is not an iron ball. We are discovering a new hidden world.” He said To Live Science Gateway Jessica Irving, a seismologist at the University of Bristol, UK, who was involved in the research.
NS study Analyze how shear waves caused by earthquakes move across the globe to depths that neither humans nor machines can risk.
Earth’s core (illustration)
distribution seismic waves Originating from earthquakes, which act as a kind of “sonar,” helped researchers Rhett Butler, of the University of Hawaii, and Seiji Tsuboib, of the Center for Earth Information Science and Technology in Japan, to “see” in detail the interior of the planet.
A survey previously revealed that a file The inner core of our planet can be grows unevenly, which is faster in one part than the other, and still provides rough estimates of the age of Earth’s inner core, placing it between 500 million and 1.5 billion years ago.
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