The iron atoms that make up the Earth's solid inner core are tightly jammed together by astronomically high pressures—the highest on the planet.
Earth Sciences
Oct 3, 2023
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719
Yale researchers may have solved a longstanding puzzle as to why certain metallic meteorites show traces of a magnetic field—a finding that may shed light on the formation of magnetic dynamos at the core of planets.
Astronomy
Aug 1, 2023
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2845
Understanding the atmosphere and surface environment of the early Earth, especially before the origin of life, is a key to understanding the habitability of the Earth.
Earth Sciences
Jul 6, 2023
0
5
Earth's inner core is dominated by iron, which can exist as a solid material in more than one crystallographic form. (This quality allows iron to combine with other elements to form alloys.) Iron's most stable form at room ...
Earth Sciences
Mar 13, 2023
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30
A collaborative research group has succeeded, for the first time, in measuring the speed of sound of pure iron under pressures similar to the Earth's inner core boundary.
Earth Sciences
Nov 28, 2022
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26
Steel rusts by water and air on the Earth's surface. But what about deep inside the Earth's interior?
Earth Sciences
Aug 31, 2022
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631
Earth's core, the deepest part of our planet, is characterized by extremely high pressure and temperature. It is composed of a liquid outer core and solid inner core.
Planetary Sciences
Feb 9, 2022
1
204
The discovery of more than 4,500 extra-solar planets has created a need for modelling their interior structure and dynamics. As it turns out, iron plays a key role.
Planetary Sciences
Jan 14, 2022
0
125
Far below you lies a sphere of solid iron and nickel about as wide as the broadest part of Texas: the Earth's inner core. The metal at the inner core is under pressure about 360 million times higher than we experience in ...
General Physics
Nov 11, 2021
0
732
For reasons unknown, Earth's solid-iron inner core is growing faster on one side than the other, and it has been ever since it started to freeze out from molten iron more than half a billion years ago, according to a new ...
Earth Sciences
Jun 3, 2021
2
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