ice core drilling in Allan Hills, East Antarctica (IMAGE)

Rice University

ice core drilling in Allan Hills, East Antarctica

Caption

A scientific drilling mission to Allan Hills, East Antarctica, in 2015-16 yielded ice cores with trapped bubbles of ancient air, including some that predated the ice age that began 2.7 million years ago.

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Photo by Yuzhen Yan

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Must credit: Yuzhen Yan

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