WebOct 15, 2010 · Abstract. Earth’s solid inner core is mainly composed of iron (Fe). Because the relevant ultrahigh pressure and temperature conditions are difficult to produce experimentally, the preferred crystal structure of Fe at the inner core remains uncertain. Static compression experiments showed that the hexagonal close-packed (hcp) structure … WebWhat evidence led scientists to conclude that Earth's outer core is liquid? Scientists studied the different paths that P waves and S waves take inside Earth to determine the nature …
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WebScientists know that the core is metal because: The density of Earth’s surface layers is much less than the overall density of the planet, as calculated from the planet’s rotation. If the surface layers are less dense … WebThe Earth is almost a sphere. These are its main layers, starting with the outermost: crust – relatively thin and rocky mantle – has the properties of a solid, but can flow very slowly outer... dark horse cpa scam
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WebMay 11, 2024 · The Core. Exceeding the mantle, the inner part of the Earth is identified as its core. It is composed mainly of Nickel and Iron, also called NIFE (Nickel – Ni + Ferrum – Fe). The core is also divided into two parts: “outer core and inner core”. The outer core-The outer core extends from 2900 km to 5100 km and is in a liquid state. WebScientists know that the outer core is liquid and the inner core is solid because: S-waves do not go through the outer core. The strong magnetic field is caused by convection in the liquid outer core. Convection … WebThe internal structure of Earth is the solid portion of the Earth, [clarification needed] excluding its atmosphere and hydrosphere.The structure consists of an outer silicate solid crust, a highly viscous asthenosphere and solid mantle, a liquid outer core whose flow generates the Earth's magnetic field, and a solid inner core.. Scientific understanding of … bishop farley of kentucky