It is still called iron.
The iron in Earth's inner core is in a solid state and is commonly referred to as "solid iron." It is under extreme pressure and temperature conditions, which keep it in a solid form despite its high temperature.
The inner core of the Earth is believed to have a solid, iron-nickel composition. Due to extreme pressure and temperature conditions, the inner core is thought to have a crystalline texture, with iron atoms arranged in a regular pattern. This texture is inferred from seismic wave behavior and laboratory experiments on iron under high-pressure conditions.
solid due to extreme pressure, even though it is composed of mostly iron and nickel.
The Earth's core is solid due to the extreme pressure at that depth, which prevents the iron from melting despite the high temperature. The pressure counteracts the temperature increase, making it solid.
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The center of the Earth is thought to be a solid inner core made mostly of iron and nickel. It is surrounded by a liquid outer core composed of molten iron and nickel. The extreme pressure and heat at the Earth's core prevent any exploration or direct observation.
Geologists infer that the Earth's core is made of iron based on seismic data that show the core's density and composition. Iron's properties match the density and behavior of the Earth's core as detected through seismic waves. Additionally, experiments under extreme pressure and temperature conditions mimic the core's behavior, supporting the iron composition theory.
What medium and temperature as there is something called "pressure temperature relationship"
Scientists believe that the Earth's core is made up of iron based on seismic data, magnetic field studies, and experiments under extreme pressure and temperature conditions that suggest iron is the most likely candidate for the core's composition. The density and behavior of iron at high pressures and temperatures align closely with the properties observed in the Earth's core.
In a supernova explosion, heavy elements (metals) such as iron, nickel, gold, and uranium are created through nucleosynthesis. These elements are formed from the fusion of lighter elements under extreme temperature and pressure conditions during the explosive event.
While iron is strong and durable, it can break under extreme force or stress. Cast iron is more brittle than steel, making it more prone to breaking. Proper maintenance and care can help prevent iron from breaking.
The inner core of the Earth is primarily composed of solid iron. It is the Earth's innermost layer and is believed to be solid due to the extreme pressure at the center of the planet.