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What is Earth's Center?
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 about 20% of Earth’s radius or 70% of the Moon 's radius.
Jun 11, 2007 · Donald Argus of NASA's Jet Propulsion Laboratory, Pasadena, Calif., developed the new technique, which estimates Earth's center of mass to within 1 millimeter (.04 inches) a year by precisely positioning sites on Earth's surface using a combination of four space-based techniques.
The center of the earth is 0°N 0°E, and the only thing positioned there is Null Island, an imaginary place that scientists use as a reference. However, the closest country is Ghana, in Africa, with its most southern peninsula Cape Three Points being the nearest land area to the earth’s center.
It was first published in French in 1864, then reissued in 1867 in a revised and expanded edition. Professor Otto Lidenbrock is the tale's central figure, an eccentric German scientist who believes there are volcanic tubes that reach to the very center of the earth.
- Jules Verne
- 1864
Oct 9, 2023 · The center of Earth lies around 4,000 miles under our feet — but what lies beneath the outer crust and the inner core? Our planet is layered like an onion. (Image credit: Rost-9D/Getty Images)
- Patrick Pester
Mar 3, 2023 · The new study, published in the journal Nature Communications, finds there is a fifth layer, deemed the "innermost inner core," and that it is a solid ball made up of mostly iron, reports CNN ...
Nov 17, 2020 · The center of the Earth is almost as hot as the surface of the Sun, about 9,800 degrees Fahrenheit, with pressure that makes the compressive forces at the ocean floor look like child’s play. But we haven’t been to any of these places inside the Earth.
