Deep Time - Deepstash

Deep Time

The concept of deep time was coined by a geologist in the 18th century as a counterpoint to the contemporary belief that Earth was only thousands of years old (it is now believed to be roughly 4.5 billion years old).

The term describes the history of the Earth over a time span of millions of years. 

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aaroste

Early years teacher

Time, Space and Our Planet Earth

The idea is part of this collection:

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