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Earth's inner core - Wikipedia
https://en.wikipedia.org/wiki/Earth%27s_inner_core
WebEarth'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 radius or 70% of the Moon's radius. There are no samples of Earth's core accessible for direct measurement, as there are for Earth's mantle.
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Core
https://www.nationalgeographic.org/encyclopedia/core/
WebOct 19, 2023 · Inner Core. The inner core is a hot, dense ball of (mostly) iron. It has a radius of about 1,220 kilometers (758 miles). Temperature in the inner core is about 5,200° Celsius (9,392° Fahrenheit). The pressure is nearly 3.6 million atmosphere (atm). The temperature of the inner core is far above the melting point of iron.
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Layers of the Earth - Science Notes and Projects
https://sciencenotes.org/layers-of-the-earth/
WebAug 1, 2023 · The inner core is the central part of the Earth. It extends from a depth of about 5,150 km to the Earth’s center at about 6,371 km. Although it is very hot, the inner core is solid due to the immense pressure at this depth. It’s composed primarily of iron, with minor amounts of nickel and other lighter elements. Detailed Layer Model of the Earth.
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What’s Inside Earth’s Inner Core? Seismic Waves Reveal an …
https://www.nytimes.com/2023/02/23/science/earth-core-seismic-waves.html
WebFeb 23, 2023 · Dr. Tkalcic and Thanh-Son Pham, a postdoctoral researcher, estimate that the innermost inner core is about 800 miles wide; the entire inner core is about 1,500 miles wide. Their findings were...
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Earth Structure - Education | National Geographic Society
https://education.nationalgeographic.org/resource/resource-library-earth-structure/
WebGraphics illustrate the layers of Earth’s crust, mantle, outer and inner core. The structure of the earth is divided into four major components: the crust, the mantle, the outer core, and the inner core. Each layer has a unique chemical composition, physical state, and can impact life on Earth's surface.
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Earth's inner core - Simple English Wikipedia, the free encyclopedia
https://simple.wikipedia.org/wiki/Earth%27s_inner_core
WebThe inner core is the very center of the Earth, and the hottest part of the planet. It is a mainly a solid ball with a radius of about 1,220 km (760 mi), according to seismological studies. [1] [2] It is believed to consist mostly of an iron – nickel alloy and to be about the same temperature as the surface of the Sun: about 5700 K (5400 °C). [3]
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Earth's layers: Exploring our planet inside and out | Space
https://www.space.com/17777-what-is-earth-made-of.html
WebApr 8, 2022 · Inner core. At the center of Earth is a solid iron inner core. The hot dense core has a radius of about 759 miles (1,221 kilometers) and a pressure of about 3.6 million atmospheres (atm).
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Secrets of Earth’s inner core revealed by large quakes - Nature
https://www.nature.com/articles/d41586-023-00496-1
WebNEWS. 22 February 2023. Secrets of Earth’s inner core revealed by large quakes. Seismic waves travel differently through innermost core than through outer section. By. Bianca Nogrady. Seismic...
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The inner core: Earth's innermost secret - ZME Science
https://www.zmescience.com/feature-post/natural-sciences/geology-and-paleontology/planet-earth/earth-inner-core/
WebOct 16, 2023 · At the very heart of our planet, the inner core is a ball of hot, solid iron and nickel. The inner core plays a key role in how our planet rotates and our planet’s magnetic field. Without the...
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Earth's Interior | National Geographic
https://www.nationalgeographic.com/science/article/earths-interior
Web2 min read. Inside the Earth. The Earth's interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is...
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