The Geosciences

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            Earth science is also known as geoscience, the geosciences or the Earth sciences. The third planet from the sun: Earth, is the only known as the “life-bearing planet”- the planet we live on and Science is the study of events in the world that is trying to explain in a logical and orderly way on how everything happens, a system of acquiring knowledge and it is systematic and organized body of knowledge. In this case, if you will combine the two, Earth + Science makes it the Earth Science which means the term for the sciences related to the planet Earth. The geosciences may include the study of the atmosphere, oceans and biosphere, and also the solid earth.

The following are the fields of science which are generally categorized within the geosciences.

* Geology is a very wide field of study because geology is split into many minor sciences which describes the rocky parts of the Earth’s crust or lithosphere and its development.

* Geophysics and Geodesy investigate the shape of the Earth, its reaction to forces and its gravity.

* Soil science or pedosphere covers the outermost layer of the Earth’s crust which is the soil formation.

* Oceanography and hydrology describe the marine and freshwater domains of the watery parts of the Earth or hydrosphere.

* Glaciology covers the icy parts of the Earth or the cryosphere.

* Atmospheric sciences cover the gaseous parts of the Earth or atmosphere between the surface and the exosphere.

* A very important linking sphere is the biosphere, the zone of life on Earth, the global ecological system integrating all living beings and their relationships including their interaction with the elements of the lithosphere, hydrosphere and atmosphere create the conditions that can support life.