Definitions for geosphere

This page provides all possible meanings and translations of the word geosphere

Princeton's WordNet

  1. lithosphere, geosphere(noun)

    the solid part of the earth consisting of the crust and outer mantle

Wiktionary

  1. geosphere(Noun)

    the solid body of the Earth

Freebase

  1. Geosphere

    The geosphere is the densest parts of Earth and consist mostly of rock and regolith. In Aristotelian physics, the term was applied to four spherical natural places, concentrically nested around the center of the Earth, as described in the lectures Physica and Meteorologica. They were believed to explain the motions of the four terrestrial elements: Earth, Water, Air and Fire. In modern texts and in Earth system science, geosphere refers to the solid parts of the Earth and is used along with atmosphere, hydrosphere, and biosphere to describe the systems of the Earth. In that context, sometimes the term lithosphere is used instead of geosphere. However, the lithosphere only refers to the uppermost layers of the solid Earth. Since space exploration began, it has been observed that the extent of the ionosphere or plasmasphere is highly variable, and often much larger than previously appreciated, at times extending to the boundaries of the Earth's magnetosphere or geomagnetosphere. This highly variable outer boundary of geogenic matter has been referred to as the "geopause," to suggest the relative scarcity of such matter beyond it, where the solar wind dominates.


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