English: NSIDC research Julienne Stroeve removes her goggles to see better in the polar winter of the Central Arctic. At such low temperatures as -30°C to -40°C goggles quickly fog up. Stroeve took part on the darkest and coldest leg of the yearlong expedition to study the Arctic climate system, called the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC). Credit: Lars Barthel, Alfred Wegener Institute (AWI)
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