– Russian scientists reach lake under Antarctica (MSNBC, Feb. 8, 2012)
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At 160 miles (250 kilometers) long and 30 miles (50 kilometers) wide, Lake Vostok is similar in size to Lake Ontario. It is kept from freezing into a solid block by the more than two-mile-thick crust of ice across it that acts like a blanket, keeping in heat generated by geothermal energy underneath.
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