Earth's inner core is the innermost geologic layer of the planet Earth. It is primarily a solid ball with a radius of about 1,220 km (760 mi), which is...

Earth's outer core is a fluid layer about 2,260 km (1,400 mi) thick, composed of mostly iron and nickel that lies above Earth's solid inner core and below...

outer core whose flow generates the Earth's magnetic field, and a solid inner core. Scientific understanding of the internal structure of Earth is based...

Inner core super-rotation is the eastward rotation of the inner core of Earth relative to its mantle, for a net rotation rate that is usually[clarification...

Raymond W. Bernard's 1969 book The Hollow Earth. Dyson sphere Earth's inner core Expanding Earth Flat Earth Hades Hollow Moon List of topics characterized...

the Earth's mantle Hf/W ratio places Earth's core as having segregated within 25 million years. Several factors control segregation of a metal core including...

water. Almost all of Earth's water is contained in its global ocean, covering 70.8% of Earth's crust. The remaining 29.2% of Earth's crust is land, most...

Travelling to the Earth's center is a popular theme in science fiction. Some subterranean fiction involves traveling to the Earth's center and finding...

Earth's magnetic field, also known as the geomagnetic field, is the magnetic field that extends from Earth's interior out into space, where it interacts...

2004, p. 48. Gubbins, David; et al. (May 19, 2011), "Melting of the Earth's inner core", Nature, 473 (7347): 361–63, Bibcode:2011Natur.473..361G, doi:10...

Earth is proposed to have an innermost inner core, distinct from its inner core. It is surrounded by the inner core, and is composed of solid iron in...

Planetary core, the center of a planet Earth's inner core Earth's outer core Stellar core, the region of a star where nuclear fusion takes place Solar core, Core...

allows seismologists to determine some physical properties of the Earth's inner core. In 1830, the mathematician Siméon Denis Poisson presented to the...

drill to the center of the Earth and set off a series of nuclear explosions in order to restart the rotation of the Earth's core. The film was released on...

suggest that Earth's inner core—a solid center distinct from the liquid outer core—is freezing and growing out of the liquid outer core due to the gradual...

but only the outer core is postulated to exist in a molten or fluid state, and the temperature at Earth's inner core/outer core boundary, around 3,500...

S2CID 206538202. Earth's Core–Mantle Boundary Has Core-Rigidity Zone Audrey Slesinger (January 2001), "Earth's interior: Redefining the Core–Mantle Boundary"...

the motion of this highly conductive fluid generates the Earth's field. Earth's inner core, however, is solid because of the enormous pressure. Reconstruction...

known for her discovery in 1936 of the solid inner core that exists within the molten outer core of the Earth. The seismic discontinuity in the speed of...

systems in abrupt climate change Provided the first evidence that the Earth's inner core is spinning faster than the rest of the planet First to systematically...

to infer the temperature of Earth's interior range from the oldest rocks on Earth to modern seismic images of the inner core size. Ancient volcanic rocks...

core. In fact, studies using diamond anvil cells to replicate the conditions in the Earth's core indicate that iron carbide (Fe7C3) matches the inner...

most common element on Earth, forming much of Earth's outer and inner core. It is the fourth most common element in the Earth's crust, being mainly deposited...

enabled more accurate modeling of the Earth's internal velocity structure. Recent progress focuses on the inner core's velocity features and applying methods...

extending battery life. A geophysical study reports that the spin of the Earth's inner core has stopped spinning faster than the planet's surface and likely is...

August 8, 2012. Density of the Earth, wolframalpha.com, archived from the original on October 17, 2013 Density of Earth's core, wolframalpha.com, archived...

treatise, Aristotle outlines two theories: The universe is spherical The Earth’s inner core is composed by the orbits of heavenly bodies The universe has two...

Earth's rotation or Earth's spin is the rotation of planet Earth around its own axis, as well as changes in the orientation of the rotation axis in space...

pp. 153–154. ISBN 978-0-19-518169-2. see e.g. Hrvoje Tkalčić, The Earth's Inner Core, Cambridge University Press (2017), p. 2. Cornu, A.; Baille, J. B...

planetary cores. The inner core of the Earth is generally assumed to consist essentially of a crystalline iron-nickel alloy with ε structure. The outer core surrounding...