crust
The crust is the surface layer, cold and thin compared to the others.
core
Is in the center of the planet
mantle
The mantle has a viscous, fluid behavior, moving very slowly.
landform
Is the result of structural operations, i.e., those that occur in the geological structure.
geological history
The Earth's geological history can be summarized and systematized on a geological scale of time divided into eons, ages, periods, and other subdivisions.
average radius of the planet
The average radius of the planet is 6, 370 km.
emergence of the Earth
The emergence of the Earth is related to the origin of the Universe, 15 billion years ago, from clouds of interstellar gas and dust and the so-called Big Bang.