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It is a broader term than [[geology]] because it includes aspects of [[planetary science]], which is part of [[astronomy]]. The Earth sciences include the study of the [[atmosphere]], [[ocean]]s and [[biosphere]], as well as the solid earth. Typically Earth scientists will use tools from [[physics]], [[chemistry]], [[biology]], [[chronology]] and [[mathematics]] to understand the Earth, and how it evolved to its current state. | It is a broader term than [[geology]] because it includes aspects of [[planetary science]], which is part of [[astronomy]]. The Earth sciences include the study of the [[atmosphere]], [[ocean]]s and [[biosphere]], as well as the solid earth. Typically Earth scientists will use tools from [[physics]], [[chemistry]], [[biology]], [[chronology]] and [[mathematics]] to understand the Earth, and how it evolved to its current state. | ||
If there is one fact | If there is one fact that underlies all Earth science it is this; the Earth is an ancient [[planet]] which has been changing the whole time since its [[Age of the Earth|formation]]. The extent of the changes is much greater than people used to think.<ref>Van Andel, Tjeerd 1994. ''New views on an old planet: a history of global change''. 2nd ed, Cambridge University Press, Cambridge UK.</ref> | ||
==Fields of study== | ==Fields of study== | ||