Diamonds and rust at the Earth's core-mantle boundary
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
News tagged with iron core
Seismic waves from earthquakes reveal changes in the Earth's outer core
In May 1997, a large earthquake shook the Kermadec Islands region in the South Pacific Ocean. A little over 20 years later, in September 2018, a second big earthquake hit the same location, its waves of seismic energy emanating ...
Earth Sciences
Jun 24, 2022
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813
NASA's Psyche spacecraft starts processing at Kennedy Space Center
Bound for an asteroid of the same name, the orbiter is undergoing final preparations for its August launch.
Space Exploration
May 5, 2022
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17
Earth's inner core: A mixture of solid Fe and liquid-like light elements
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
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204
Ironing out the interiors of exoplanets
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
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125
Researchers recreate deep-Earth conditions to see how iron copes with extreme stress
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
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732
Is Earth's core lopsided? Strange goings-on in our planet's interior
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
52
A deep reservoir of primordial helium in the Earth
Noble gases, including helium, neon, and argon, are characterized by high chemical inertness which causes low reactivity with other materials and high volatility. Among them, 3He, 20Ne, and 36Ar are particular isotopes which ...
Earth Sciences
May 6, 2021
1
155
How does Earth sustain its magnetic field?
How did the chemical makeup of our planet's core shape its geologic history and habitability?
Earth Sciences
Jul 6, 2020
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Precise measurement of liquid iron density under extreme conditions
Using the large synchrotron radiation facility SPring-8 in Japan, a collaboration of researchers from Kumamoto University, the University of Tokyo, and others from Japan and France have precisely measured the density of liquid ...
Condensed Matter
Jun 26, 2020
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