The glacier is part of the ice fields of Patagonia — the largest mass of ice in the Southern Hemisphere, which covers a staggering 35, square miles. Size matters: This incredible picture of the snout of the Spegazzini Glacier in Los Glaciares National Park in Argentina show just how mammoth they are.
The Viedma Glacier covers square miles and is one-and-a-quarter miles wide at the tip, where it slowly flows into Lake Viedma. As the glacier rumbles along it collects rock and soil, which gives rise to its brown colouring. Glaciers are known for containing huge crevasses, which scientists say because of stress between the fast-flowing ice in the centre and the slower-moving ice at the side.
On this picture the crevasses are the lines running perpendicular to the direction of travel. When the glacier reaches the lake it breaks up, leaving huge chunks of ice floating in the water. The International Space Station floats at a distance of between and miles up - and amazingly can be seen with the naked eye.
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