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Earth's outer core - Wikipedia
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 its mantle. [1][2][3] The outer core …
Core
2024年6月11日 · The core is made of two layers: the outer core, which borders the mantle, and the inner core. The boundary separating these regions is called the Bullen discontinuity. Outer …
Top 10 Facts About The Earth’s Outer Core - Discover Walks
2023年3月7日 · The outer core is the second innermost layer of the Earth, situated between the inner core and the mantle. It is largely composed of iron and nickel, which are in liquid form …
Earth's Outer Core - Universe Today
2009年3月9日 · Deep within the Earth, thousands of kilometers below your feet is the core of the Earth. Once thought to be a single ball of iron, scientists now know that the Earth’s core …
Layers of the Earth - Science Notes and Projects
2023年8月1日 · The Outer Core. The outer core extends from 2,900 km to about 5,150 km beneath the Earth’s surface. It mainly consists of liquid iron and nickel. The motion within this …
The Outer Core: The Earth’s Swirling Cauldron - ZME Science
2023年10月11日 · Earth’s outer core is a layer of mostly molten metal that lies between the solid inner core and the mantle. This outer core primarily comprises liquid iron and nickel, with some …
Earth's core - Simple English Wikipedia, the free encyclopedia
The Earth's core is the part of Earth in the middle of our planet. It has a solid inner core and a liquid outer core. The temperature of the outer core ranges from 4400 °C in the outer regions …
Explainer: Earth — layer by layer - Science News Explores
2019年11月11日 · Starting at the center, Earth is composed of four distinct layers. They are, from deepest to shallowest, the inner core, the outer core, the mantle and the crust. Except for the …
Basic Geology/Outer Core - Wikibooks, open books for an open …
2020年6月30日 · The outer core of the Earth is a liquid layer about 2,261 km thick composed of iron and nickel which lies above the Earth's solid inner core and below its mantle. Its outer …
Inside the Earth [This Dynamic Earth, USGS] - USGS Publications …
Unlike the yolk of an egg, however, the Earth's core is actually made up of two distinct parts: a 2,200 km-thick liquid outer core and a 1,250 km-thick solid inner core. As the Earth rotates, the …
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