Image: Lake Vostok drill 2011
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Description: An artist's cross-section of Lake Vostok, the largest known subglacial lake in Antarctica. Liquid water is thought to take thousands of years to pass through the lake, which is the size of North America's Lake Ontario.
Title: Lake Vostok drill 2011
Credit: US National Science Foundation
Author: Nicolle Rager-Fuller / NSF
Permission: This image is a work of a National Science Foundation employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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