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Earth's spheres

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Title: Earth's spheres  
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Subject: Ecology, Physical geography, Gulf of Aden, Soil science, Human ecology, Ecological land classification, Renewable resource, Impact winter, Natural environment, Ecocentrism
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Earth's spheres

The following outline is provided as an overview of and topical guide to earth science:

Earth science – all-embracing term for the sciences related to the planet Earth.[1] It is also known as geoscience, the geosciences or the Earth sciences, and is arguably a special case in planetary science, the Earth being the only known life-bearing planet.

Earth's spheres

The Earth's spheres are the many "spheres" into which the planet Earth is divided. The four most often recognized are the atmosphere, the biosphere, the hydrosphere and the geosphere. As a whole, the system is sometimes referred to as an ecosphere. Listed roughly from outermost to innermost the named spheres of the Earth are:

Branches of earth science



Soil science

Atmospheric science




History of earth science

Main article: History of earth science; see also History of geology

Earth science topics

Main article: List of earth science topics

See also

Earth sciences portal


External links

  • NASA Goddard Space Flight Center
  • Geoethics in Planetary and Space Exploration
  • National Earth Science Teachers Association

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