NationMaster - Encyclopedia: Deep time

Deep time is the theory that Earth is billions of years old and thus had a long history of development and change. Deep time contrasts with Young Earth Creationism, Geocentrism, and the Flat Earth theory, which are considered among most scientists to be false.

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Deep Time (622 words)
	Geologic history is often referred to as "deep time," and it's a concept perhaps as difficult to conceive as "deep space".
	Time in geological terms has been described in two different ways: relative time and absolute time.
	These strata allows geologists to determine relative time (that is, sequence of deposition of each layer, and thus the relative age of the fossils in each layer).

Deep time - Wikipedia, the free encyclopedia (216 words)
	Deep time is the concept of geologic time first recognized by James Hutton in the late 1700s that Earth is very old.
	The comprehension of geologic history and the history of life requires an understanding of deep time which is not easily grasped without deep thought and study.
	Deep time contrasts with creationism and other primitive creation mythologies which view Earth history as occupying only a few thousands of years.

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