Antarctica, the world’s southernmost continent, is almost wholly covered by an ice sheet and is about 5.5 million square miles (14.2 million square km) in size. Situated in the southern hemisphere and largely south of the antarctic circle, antarctica is surrounded by the southern ocean. Though antarctica is really, really chilly, it is considered a desert because it receives very little rain or snowfall
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The small amount of snow that does fall does not melt but builds up over hundreds and thousands of years to form large, thick ice sheets.
Without any ice, antarctica would emerge as a giant peninsula and archipelago of mountainous islands, known as lesser antarctica, and a single large landmass about the size of australia, known as greater antarctica.
Antarctica overview antarctica is the world’s southernmost continent resting in the antarctic circle and surrounded by the southern ocean With 14 million square kilometers (5.4 million square miles) of area, it’s the 5th largest continent Almost 98% of the continent is covered by ice 1 mile thick, which certainly makes for harsh terrain that has little established population Antarctica, a continent of unparalleled ice and stark beauty, is earth’s southernmost landmass, representing a vital frontier for scientific research and a testament to nature’s formidable power.
Antarctica explained—fast facts, record cold, ice trends, wildlife, and how the antarctic treaty protects a continent devoted to peace and science. Visit the definitions and notes page to view a description of each topic. Antarctica is earth 's southernmost continent, overlying the south pole