Astronomical Effects

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Nature 404, 23-24 (2 March 2000) | doi:10.1038/35003667

Climatology: Of ice and elephants

Daniel P. Schrag
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Abstract

What caused the great ice ages? Accurate dating of the end of one of these ice ages makes us reconsider which part of the climate system drives severe glaciation.

For over a century, geologists have turned to astronomy for explanations of the cause of ice ages during the Pleistocene epoch (the past 1.6 million years).

But newer research shows...

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