+Geologic time is the immense span of [Earth's History](/wiki/earth_history), from its formation to the present. This vast timeline is divided into [Eons](/wiki/eons), [Eras](/wiki/eras), and periods, marking major planetary changes and the evolution of life.
+## See also
+- [Geology](/wiki/geology)
+- [Paleontology](/wiki/paleontology)
+- [Earth](/wiki/earth)
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