Giant Magma Ocean Found Deep Inside Earth’s Core

A team of scientists has conducted some experiments with x-ray technology and discovered that a huge ocean of magma may have been inside our Earth during its formation.

The interior structure of the Earth is layered in spherical shells, like an onion. These layers can be defined by either their chemical or their rheologicalproperties.

Earth has an outer silicate solid crust, a highly viscous mantle, a liquid outer core that is much less viscous than the mantle, and a solid inner core. Scientific understanding of the internal structure of the Earth is based on observations of topography and bathymetry, observations of rock inoutcrop, samples brought to the surface from greater depths by volcanoes or volcanic activity, analysis of the seismic waves that pass through the Earth, measurements of the gravitational and magnetic fields of the Earth, and experiments with crystalline solids at pressures and temperatures characteristic of the Earth’s deep interior.

The structure of Earth can be defined in two ways: by mechanical properties such as rheology, or chemically. Mechanically, it can be divided into lithosphere,asthenosphere, mesospheric mantle, outer core, and the inner core.

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