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Argon is not so noble in the Earth’s core

November 7, 2019

Lawrence Livermore National Laboratory (LLNL) scientists, in collaboration with researchers at the University of Saskatchewan (UoS), Lawrence Berkeley National Laboratory (LBNL) and The University…
A model of patterns in Earth's inner core and outer magnetic field. Image credit: U.S. Department of Energy
Scientists deepen understanding of magnetic fields that surround Earth

July 23, 2019

Vast rings of electrically charged particles encircle the Earth and other planets. Now, a team of scientists has…
A laser-heated diamond anvil cell is used to simulate the pressure and temperature conditions of Earth’s core. Inset shows a scanning electron microscope image of a quenched melt spot with immiscible liquids. (Image credit: Sarah M. Arveson)
What does Earth’s core have in common with salad dressing? Maybe this

May 8, 2019

A Yale-led team of scientists may have found a new factor to help explain the ebb and flow…
What is Earth’s core made of? Scientists say that it also contains silicon

March 13, 2019

We can look at stars millions of kilometres away and have a pretty good idea what they are…
INNER CORE, THEN AND NOW: Earth’s magnetic field is generated in its liquid iron core via a geodynamo. Researchers believe a weak geodynamo—and a weak magnetic shield—formed early in Earth’s history, but decreased for the next several billion years until a critical point 565 million years ago (left image). The researchers conjecture it was at this point in the geological time scale that the inner core began to form, increasing the strength of the geodynamo and the magnetic field (right image). Image credit: University of Rochester illustration / Michael Osadciw
Earth’s inner core is much younger than we thought

February 1, 2019

One enduring mystery about Earth is the age of its solid inner core. Researchers have long recognized that…
Scientists used high power lasers to replicate conditions of the Earth’s core

July 10, 2018

Mean radius of the Earth is 6371 km. Meanwhile the deepest hole we ever made is just over…
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