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Subglacial lake

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NASA MODIS image of two subglacial lakes in Antarctica.
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NASA MODIS image of two subglacial lakes in Antarctica.

A subglacial lake is a lake that is permanently covered by ice. They can occur under glaciers and ice caps. There are many such lakes, with Lake Vostok in Antarctica being by far the largest.

The water below the ice remains liquid by the pressure of the ice sheet above and by geothermal heating.

There is also evidence that there are subglacial lakes on Jupiter's moon Europa. (See Subsurface Ocean.)

See also

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