inner core

(redirected from Earth's center)

inner core

[¦in·ər ′kȯr]
(geology)
The central part of the earth's core, extending from a depth of 3160 miles (5100 kilometers) to the center of the earth. Also known as siderosphere.
References in periodicals archive ?
Marvin Herndon published the feasibility of a nuclear fission reactor at Earth's center, now called the georeactor, as the energy source for the geomagnetic field.
HENRIETTE HULDISCH ON ROSA BARBA'S OUTWARDLY FROM EARTH'S CENTER (2007)
In 1995, geochemist William McDonough suggested that chlorine was dragged to Earth's center by the metals that form the planet's core.
Sathwik Karnik won the 25th annual geography bee on Wednesday -correctly answering the question, "Because Earth bulges at the equator, the point that is farthest from Earth's center is the summit of a peak in Ecuador.
Summary: TEHRAN (FNA)- Scientists have determined the temperature near the Earth's center to be 6000 degrees Celsius, 1000 degrees hotter than in a previous experiment run 20 years ago.
So near the equator, Kern is farther from Earth's center than he is at the poles--which decreases the pull of gravity.
Similarly, but on a much bigger scale, more mass went toward Earth's center, and it started spinning faster.
These spheres are thought to be concentric because they seem to share a common center, which is the center of the universe, taken as coincident with the earth's center.
However, GPS satellites circle the Earth's center of mass; therefore, their locations in space, and the resulting triangulation of points on the Earth, are determined in an X, Y, Z Cartesian coordinate system whose origin is located at the Earth's center of mass.
At a distance r from the earth's center, where r [greater than or equal to] [R.
Nor will we ever directly view Earth's metallic core, which extends another 3,481 kilometers (2,163 miles) down to Earth's center.
When the Moon is overhead, the oceans are four thousand miles closer to the Moon than the Earth's center is.