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Why is it Hot Underground?

By: MinuteEarthPublished: 4 years ago

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Created by Henry Reich
Production and Writing Team: Alex Reich, Peter Reich, Emily Elert, Ever Salazar, Kate Yoshida, and Henry Reich

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MinuteEarth provides an energetic and entertaining view of trends in earth's environment -- in just a few minutes!


England, P. C., Molnar, P., & Richter, F. M. (2007). Kelvin, Perry and the Age of the Earth. American scientist, 95(4), 342-349.

Perry, J. (1895). On the age of the earth. Nature, 51, 341-342.

Thomson, W. (1862). XV.—On the Secular Cooling of the Earth. Transactions of the Royal Society of Edinburgh, 23(01), 157-169. Excerpt:

Thomson, W. (1897). The age of the Earth as an abode fitted for life.


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