Illustras bumi / Freepik
JAKARTA, kilat.com- SA new study, published in Nature Communications, suggests that life on Earth was only possible because of the “rejuvenation” of the planet’s core. The study also says that about 565 million years ago, Earth’s magnetic field dropped to nearly ten percent of its current strength and the planet was on its way to the same fate. Mars where life has not been found hitherto.
This magnetic field is supported by a phenomenon known as the Cambrian explosion or “biological big bang”.
“The inner core is very important. Just before the inner core begins to grow, the magnetic field is at the point of collapse, but as soon as the inner core begins to grow, the field is regenerated,” John Tarduno, the paper’s correspondent author, said in a press statement. .
This study takes into account rocks near the center of the Earth tested with the help of a carbon dioxide laser and a superconducting quantum interference device (SQUID) magnetometer. The goal is to find out the core changes earth from time to time.
According to research, rocks in the outer core of the Earth’s surface show that the electric currents generated by the magma present generate a magnetic field that gains strength.
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“Because we more accurately demarcated the age of the inner core, we were able to explore the fact that the current inner core actually consists of two parts. The movement of tectonic plates on the Earth’s surface indirectly affects the inner core, and the history of this movement is imprinted deep within the Earth in the structure of the inner core,” added Tarduno, in his press statement. (nda)
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